Home / 121,168,559,485.80-181,752,839,228.70-71,578,736,893.80

Finding the Fourth Proportional to 121,168,559,485.80, 181,752,839,228.70 and 71,578,736,893.80

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Solution

The fourth proportional to 121,168,559,485.80, 181,752,839,228.70 and 71,578,736,893.80 is: 107,368,105,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,168,559,485.80 : 181,752,839,228.70 = 71,578,736,893.80 : x
  2. Step 2: Convert to fraction form
    121,168,559,485.80/181,752,839,228.70 = 71,578,736,893.80/x
  3. Step 3: Cross multiply
    121,168,559,485.80x = 181,752,839,228.70 × 71,578,736,893.80
  4. Step 4: Simplify right side
    121,168,559,485.80x = 13,009,638,658,852,249,403,392
  5. Step 5: Solve for x
    x = 13,009,638,658,852,249,403,392/121,168,559,485.80
  6. Step 6: Final answer
    x = 107,368,105,340.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.