Home / 121,681,612.04-182,522,729.10-30,805,210.76

Finding the Fourth Proportional to 121,681,612.04, 182,522,729.10 and 30,805,210.76

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Solution

The fourth proportional to 121,681,612.04, 182,522,729.10 and 30,805,210.76 is: 46,207,894.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,681,612.04 : 182,522,729.10 = 30,805,210.76 : x
  2. Step 2: Convert to fraction form
    121,681,612.04/182,522,729.10 = 30,805,210.76/x
  3. Step 3: Cross multiply
    121,681,612.04x = 182,522,729.10 × 30,805,210.76
  4. Step 4: Simplify right side
    121,681,612.04x = 5,622,651,138,415,885
  5. Step 5: Solve for x
    x = 5,622,651,138,415,885/121,681,612.04
  6. Step 6: Final answer
    x = 46,207,894.88

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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.