Home / 161,777,280.70-242,665,921.05-64,747,963.90

Finding the Fourth Proportional to 161,777,280.70, 242,665,921.05 and 64,747,963.90

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Solution

The fourth proportional to 161,777,280.70, 242,665,921.05 and 64,747,963.90 is: 97,121,945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,777,280.70 : 242,665,921.05 = 64,747,963.90 : x
  2. Step 2: Convert to fraction form
    161,777,280.70/242,665,921.05 = 64,747,963.90/x
  3. Step 3: Cross multiply
    161,777,280.70x = 242,665,921.05 × 64,747,963.90
  4. Step 4: Simplify right side
    161,777,280.70x = 15,712,124,295,905,650
  5. Step 5: Solve for x
    x = 15,712,124,295,905,650/161,777,280.70
  6. Step 6: Final answer
    x = 97,121,945.85

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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.