Home / 145,515,308.96-218,143,854.30-53,377,853.78

Finding the Fourth Proportional to 145,515,308.96, 218,143,854.30 and 53,377,853.78

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Solution

The fourth proportional to 145,515,308.96, 218,143,854.30 and 53,377,853.78 is: 80,019,420.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,515,308.96 : 218,143,854.30 = 53,377,853.78 : x
  2. Step 2: Convert to fraction form
    145,515,308.96/218,143,854.30 = 53,377,853.78/x
  3. Step 3: Cross multiply
    145,515,308.96x = 218,143,854.30 × 53,377,853.78
  4. Step 4: Simplify right side
    145,515,308.96x = 11,644,050,757,831,026
  5. Step 5: Solve for x
    x = 11,644,050,757,831,026/145,515,308.96
  6. Step 6: Final answer
    x = 80,019,420.92

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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.