Home / 141,720,098.10-212,580,147.15-107,455,931.70

Finding the Fourth Proportional to 141,720,098.10, 212,580,147.15 and 107,455,931.70

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Solution

The fourth proportional to 141,720,098.10, 212,580,147.15 and 107,455,931.70 is: 161,183,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,720,098.10 : 212,580,147.15 = 107,455,931.70 : x
  2. Step 2: Convert to fraction form
    141,720,098.10/212,580,147.15 = 107,455,931.70/x
  3. Step 3: Cross multiply
    141,720,098.10x = 212,580,147.15 × 107,455,931.70
  4. Step 4: Simplify right side
    141,720,098.10x = 22,842,997,772,926,352
  5. Step 5: Solve for x
    x = 22,842,997,772,926,352/141,720,098.10
  6. Step 6: Final answer
    x = 161,183,897.55

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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.