Home / 119,272,001.40-178,908,002.10-115,114,951.80

Finding the Fourth Proportional to 119,272,001.40, 178,908,002.10 and 115,114,951.80

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Solution

The fourth proportional to 119,272,001.40, 178,908,002.10 and 115,114,951.80 is: 172,672,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,272,001.40 : 178,908,002.10 = 115,114,951.80 : x
  2. Step 2: Convert to fraction form
    119,272,001.40/178,908,002.10 = 115,114,951.80/x
  3. Step 3: Cross multiply
    119,272,001.40x = 178,908,002.10 × 115,114,951.80
  4. Step 4: Simplify right side
    119,272,001.40x = 20,594,986,038,375,796
  5. Step 5: Solve for x
    x = 20,594,986,038,375,796/119,272,001.40
  6. Step 6: Final answer
    x = 172,672,427.70

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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.