Home / 108,011,345.38-149,056,110.88-58,451,721.41

Finding the Fourth Proportional to 108,011,345.38, 149,056,110.88 and 58,451,721.41

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Solution

The fourth proportional to 108,011,345.38, 149,056,110.88 and 58,451,721.41 is: 80,663,621.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,011,345.38 : 149,056,110.88 = 58,451,721.41 : x
  2. Step 2: Convert to fraction form
    108,011,345.38/149,056,110.88 = 58,451,721.41/x
  3. Step 3: Cross multiply
    108,011,345.38x = 149,056,110.88 × 58,451,721.41
  4. Step 4: Simplify right side
    108,011,345.38x = 8,712,586,266,724,420
  5. Step 5: Solve for x
    x = 8,712,586,266,724,420/108,011,345.38
  6. Step 6: Final answer
    x = 80,663,621.36

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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.