Home / 142,808,870.14-197,080,397.85-80,927,151.10

Finding the Fourth Proportional to 142,808,870.14, 197,080,397.85 and 80,927,151.10

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Solution

The fourth proportional to 142,808,870.14, 197,080,397.85 and 80,927,151.10 is: 111,681,824.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,808,870.14 : 197,080,397.85 = 80,927,151.10 : x
  2. Step 2: Convert to fraction form
    142,808,870.14/197,080,397.85 = 80,927,151.10/x
  3. Step 3: Cross multiply
    142,808,870.14x = 197,080,397.85 × 80,927,151.10
  4. Step 4: Simplify right side
    142,808,870.14x = 15,949,155,135,655,064
  5. Step 5: Solve for x
    x = 15,949,155,135,655,064/142,808,870.14
  6. Step 6: Final answer
    x = 111,681,824.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.