Home / 108,915,127.34-163,420,935.89-57,087,412.92

Finding the Fourth Proportional to 108,915,127.34, 163,420,935.89 and 57,087,412.92

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Solution

The fourth proportional to 108,915,127.34, 163,420,935.89 and 57,087,412.92 is: 85,656,406.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,915,127.34 : 163,420,935.89 = 57,087,412.92 : x
  2. Step 2: Convert to fraction form
    108,915,127.34/163,420,935.89 = 57,087,412.92/x
  3. Step 3: Cross multiply
    108,915,127.34x = 163,420,935.89 × 57,087,412.92
  4. Step 4: Simplify right side
    108,915,127.34x = 9,329,278,446,639,840
  5. Step 5: Solve for x
    x = 9,329,278,446,639,840/108,915,127.34
  6. Step 6: Final answer
    x = 85,656,406.74

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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.