Home / 135,124,851.90-202,687,277.85-77,729,223.90

Finding the Fourth Proportional to 135,124,851.90, 202,687,277.85 and 77,729,223.90

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Solution

The fourth proportional to 135,124,851.90, 202,687,277.85 and 77,729,223.90 is: 116,593,835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,124,851.90 : 202,687,277.85 = 77,729,223.90 : x
  2. Step 2: Convert to fraction form
    135,124,851.90/202,687,277.85 = 77,729,223.90/x
  3. Step 3: Cross multiply
    135,124,851.90x = 202,687,277.85 × 77,729,223.90
  4. Step 4: Simplify right side
    135,124,851.90x = 15,754,724,801,684,162
  5. Step 5: Solve for x
    x = 15,754,724,801,684,162/135,124,851.90
  6. Step 6: Final answer
    x = 116,593,835.85

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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.