Home / 105,169,941.68-157,747,439.12-32,379,132.21

Finding the Fourth Proportional to 105,169,941.68, 157,747,439.12 and 32,379,132.21

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Solution

The fourth proportional to 105,169,941.68, 157,747,439.12 and 32,379,132.21 is: 48,566,397.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,169,941.68 : 157,747,439.12 = 32,379,132.21 : x
  2. Step 2: Convert to fraction form
    105,169,941.68/157,747,439.12 = 32,379,132.21/x
  3. Step 3: Cross multiply
    105,169,941.68x = 157,747,439.12 × 32,379,132.21
  4. Step 4: Simplify right side
    105,169,941.68x = 5,107,725,186,185,721
  5. Step 5: Solve for x
    x = 5,107,725,186,185,721/105,169,941.68
  6. Step 6: Final answer
    x = 48,566,397.44

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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.