Home / 161,487,926.10-242,231,889.15-75,235,051.80

Finding the Fourth Proportional to 161,487,926.10, 242,231,889.15 and 75,235,051.80

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Solution

The fourth proportional to 161,487,926.10, 242,231,889.15 and 75,235,051.80 is: 112,852,577.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,487,926.10 : 242,231,889.15 = 75,235,051.80 : x
  2. Step 2: Convert to fraction form
    161,487,926.10/242,231,889.15 = 75,235,051.80/x
  3. Step 3: Cross multiply
    161,487,926.10x = 242,231,889.15 × 75,235,051.80
  4. Step 4: Simplify right side
    161,487,926.10x = 18,224,328,727,812,108
  5. Step 5: Solve for x
    x = 18,224,328,727,812,108/161,487,926.10
  6. Step 6: Final answer
    x = 112,852,577.70

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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.