Home / 161,838,689.40-242,758,034.10-59,581,567.80

Finding the Fourth Proportional to 161,838,689.40, 242,758,034.10 and 59,581,567.80

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Solution

The fourth proportional to 161,838,689.40, 242,758,034.10 and 59,581,567.80 is: 89,372,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,838,689.40 : 242,758,034.10 = 59,581,567.80 : x
  2. Step 2: Convert to fraction form
    161,838,689.40/242,758,034.10 = 59,581,567.80/x
  3. Step 3: Cross multiply
    161,838,689.40x = 242,758,034.10 × 59,581,567.80
  4. Step 4: Simplify right side
    161,838,689.40x = 14,463,904,267,723,860
  5. Step 5: Solve for x
    x = 14,463,904,267,723,860/161,838,689.40
  6. Step 6: Final answer
    x = 89,372,351.70

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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.