Home / 108,072,839.13-149,140,320.84-58,513,206.75

Finding the Fourth Proportional to 108,072,839.13, 149,140,320.84 and 58,513,206.75

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Solution

The fourth proportional to 108,072,839.13, 149,140,320.84 and 58,513,206.75 is: 80,748,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,072,839.13 : 149,140,320.84 = 58,513,206.75 : x
  2. Step 2: Convert to fraction form
    108,072,839.13/149,140,320.84 = 58,513,206.75/x
  3. Step 3: Cross multiply
    108,072,839.13x = 149,140,320.84 × 58,513,206.75
  4. Step 4: Simplify right side
    108,072,839.13x = 8,726,678,428,072,254
  5. Step 5: Solve for x
    x = 8,726,678,428,072,254/108,072,839.13
  6. Step 6: Final answer
    x = 80,748,118.57

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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.