Home / 242,545,384.60-363,833,823.30-127,754,128.60

Finding the Fourth Proportional to 242,545,384.60, 363,833,823.30 and 127,754,128.60

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Solution

The fourth proportional to 242,545,384.60, 363,833,823.30 and 127,754,128.60 is: 191,639,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,545,384.60 : 363,833,823.30 = 127,754,128.60 : x
  2. Step 2: Convert to fraction form
    242,545,384.60/363,833,823.30 = 127,754,128.60/x
  3. Step 3: Cross multiply
    242,545,384.60x = 363,833,823.30 × 127,754,128.60
  4. Step 4: Simplify right side
    242,545,384.60x = 46,481,273,050,897,872
  5. Step 5: Solve for x
    x = 46,481,273,050,897,872/242,545,384.60
  6. Step 6: Final answer
    x = 191,639,486.88

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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.