Home / 242,545,388.10-363,833,828.55-127,754,132.10

Finding the Fourth Proportional to 242,545,388.10, 363,833,828.55 and 127,754,132.10

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Solution

The fourth proportional to 242,545,388.10, 363,833,828.55 and 127,754,132.10 is: 191,639,492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,545,388.10 : 363,833,828.55 = 127,754,132.10 : x
  2. Step 2: Convert to fraction form
    242,545,388.10/363,833,828.55 = 127,754,132.10/x
  3. Step 3: Cross multiply
    242,545,388.10x = 363,833,828.55 × 127,754,132.10
  4. Step 4: Simplify right side
    242,545,388.10x = 46,481,274,995,025,448
  5. Step 5: Solve for x
    x = 46,481,274,995,025,448/242,545,388.10
  6. Step 6: Final answer
    x = 191,639,492.13

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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.