Home / 161,755,585.80-242,633,378.70-145,631,272.20

Finding the Fourth Proportional to 161,755,585.80, 242,633,378.70 and 145,631,272.20

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Solution

The fourth proportional to 161,755,585.80, 242,633,378.70 and 145,631,272.20 is: 218,446,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,755,585.80 : 242,633,378.70 = 145,631,272.20 : x
  2. Step 2: Convert to fraction form
    161,755,585.80/242,633,378.70 = 145,631,272.20/x
  3. Step 3: Cross multiply
    161,755,585.80x = 242,633,378.70 × 145,631,272.20
  4. Step 4: Simplify right side
    161,755,585.80x = 35,335,007,618,265,376
  5. Step 5: Solve for x
    x = 35,335,007,618,265,376/161,755,585.80
  6. Step 6: Final answer
    x = 218,446,908.30

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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.