Home / 159,545,640.40-239,318,460.60-83,018,136.40

Finding the Fourth Proportional to 159,545,640.40, 239,318,460.60 and 83,018,136.40

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Solution

The fourth proportional to 159,545,640.40, 239,318,460.60 and 83,018,136.40 is: 124,527,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,545,640.40 : 239,318,460.60 = 83,018,136.40 : x
  2. Step 2: Convert to fraction form
    159,545,640.40/239,318,460.60 = 83,018,136.40/x
  3. Step 3: Cross multiply
    159,545,640.40x = 239,318,460.60 × 83,018,136.40
  4. Step 4: Simplify right side
    159,545,640.40x = 19,867,772,605,128,828
  5. Step 5: Solve for x
    x = 19,867,772,605,128,828/159,545,640.40
  6. Step 6: Final answer
    x = 124,527,204.60

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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.