Home / 420,897,061.80-631,331,362.62-148,260,704.04

Finding the Fourth Proportional to 420,897,061.80, 631,331,362.62 and 148,260,704.04

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Solution

The fourth proportional to 420,897,061.80, 631,331,362.62 and 148,260,704.04 is: 222,386,043.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,897,061.80 : 631,331,362.62 = 148,260,704.04 : x
  2. Step 2: Convert to fraction form
    420,897,061.80/631,331,362.62 = 148,260,704.04/x
  3. Step 3: Cross multiply
    420,897,061.80x = 631,331,362.62 × 148,260,704.04
  4. Step 4: Simplify right side
    420,897,061.80x = 93,601,632,304,573,728
  5. Step 5: Solve for x
    x = 93,601,632,304,573,728/420,897,061.80
  6. Step 6: Final answer
    x = 222,386,043.52

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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.