Home / 84,255,129.40-126,382,694.10-58,724,966.20

Finding the Fourth Proportional to 84,255,129.40, 126,382,694.10 and 58,724,966.20

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Solution

The fourth proportional to 84,255,129.40, 126,382,694.10 and 58,724,966.20 is: 88,087,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,255,129.40 : 126,382,694.10 = 58,724,966.20 : x
  2. Step 2: Convert to fraction form
    84,255,129.40/126,382,694.10 = 58,724,966.20/x
  3. Step 3: Cross multiply
    84,255,129.40x = 126,382,694.10 × 58,724,966.20
  4. Step 4: Simplify right side
    84,255,129.40x = 7,421,819,439,287,439
  5. Step 5: Solve for x
    x = 7,421,819,439,287,439/84,255,129.40
  6. Step 6: Final answer
    x = 88,087,449.30

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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.