Home / 91,202,983.16-136,747,000.39-77,374,773.53

Finding the Fourth Proportional to 91,202,983.16, 136,747,000.39 and 77,374,773.53

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Solution

The fourth proportional to 91,202,983.16, 136,747,000.39 and 77,374,773.53 is: 116,013,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,202,983.16 : 136,747,000.39 = 77,374,773.53 : x
  2. Step 2: Convert to fraction form
    91,202,983.16/136,747,000.39 = 77,374,773.53/x
  3. Step 3: Cross multiply
    91,202,983.16x = 136,747,000.39 × 77,374,773.53
  4. Step 4: Simplify right side
    91,202,983.16x = 10,580,768,185,152,976
  5. Step 5: Solve for x
    x = 10,580,768,185,152,976/91,202,983.16
  6. Step 6: Final answer
    x = 116,013,400.20

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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.