Home / 121,168,559,489.30-181,752,839,233.95-71,578,736,897.30

Finding the Fourth Proportional to 121,168,559,489.30, 181,752,839,233.95 and 71,578,736,897.30

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Solution

The fourth proportional to 121,168,559,489.30, 181,752,839,233.95 and 71,578,736,897.30 is: 107,368,105,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,168,559,489.30 : 181,752,839,233.95 = 71,578,736,897.30 : x
  2. Step 2: Convert to fraction form
    121,168,559,489.30/181,752,839,233.95 = 71,578,736,897.30/x
  3. Step 3: Cross multiply
    121,168,559,489.30x = 181,752,839,233.95 × 71,578,736,897.30
  4. Step 4: Simplify right side
    121,168,559,489.30x = 13,009,638,659,864,173,477,888
  5. Step 5: Solve for x
    x = 13,009,638,659,864,173,477,888/121,168,559,489.30
  6. Step 6: Final answer
    x = 107,368,105,345.95

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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.