Home / 121,168,559,486.80-181,752,839,230.20-71,578,736,894.80

Finding the Fourth Proportional to 121,168,559,486.80, 181,752,839,230.20 and 71,578,736,894.80

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Solution

The fourth proportional to 121,168,559,486.80, 181,752,839,230.20 and 71,578,736,894.80 is: 107,368,105,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,168,559,486.80 : 181,752,839,230.20 = 71,578,736,894.80 : x
  2. Step 2: Convert to fraction form
    121,168,559,486.80/181,752,839,230.20 = 71,578,736,894.80/x
  3. Step 3: Cross multiply
    121,168,559,486.80x = 181,752,839,230.20 × 71,578,736,894.80
  4. Step 4: Simplify right side
    121,168,559,486.80x = 13,009,638,659,141,371,166,720
  5. Step 5: Solve for x
    x = 13,009,638,659,141,371,166,720/121,168,559,486.80
  6. Step 6: Final answer
    x = 107,368,105,342.20

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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.