Home / 66,087,068.95-91,202,616.45-39,629,730.29

Finding the Fourth Proportional to 66,087,068.95, 91,202,616.45 and 39,629,730.29

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Solution

The fourth proportional to 66,087,068.95, 91,202,616.45 and 39,629,730.29 is: 54,690,503.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,087,068.95 : 91,202,616.45 = 39,629,730.29 : x
  2. Step 2: Convert to fraction form
    66,087,068.95/91,202,616.45 = 39,629,730.29/x
  3. Step 3: Cross multiply
    66,087,068.95x = 91,202,616.45 × 39,629,730.29
  4. Step 4: Simplify right side
    66,087,068.95x = 3,614,335,091,655,817.50
  5. Step 5: Solve for x
    x = 3,614,335,091,655,817.50/66,087,068.95
  6. Step 6: Final answer
    x = 54,690,503.74

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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.