Home / 148,839,140.80-223,258,711.20-39,664,100.80

Finding the Fourth Proportional to 148,839,140.80, 223,258,711.20 and 39,664,100.80

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Solution

The fourth proportional to 148,839,140.80, 223,258,711.20 and 39,664,100.80 is: 59,496,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,839,140.80 : 223,258,711.20 = 39,664,100.80 : x
  2. Step 2: Convert to fraction form
    148,839,140.80/223,258,711.20 = 39,664,100.80/x
  3. Step 3: Cross multiply
    148,839,140.80x = 223,258,711.20 × 39,664,100.80
  4. Step 4: Simplify right side
    148,839,140.80x = 8,855,356,025,514,888
  5. Step 5: Solve for x
    x = 8,855,356,025,514,888/148,839,140.80
  6. Step 6: Final answer
    x = 59,496,151.20

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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.