Home / 155,423,078.30-232,827,562.65-78,801,095.90

Finding the Fourth Proportional to 155,423,078.30, 232,827,562.65 and 78,801,095.90

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Solution

The fourth proportional to 155,423,078.30, 232,827,562.65 and 78,801,095.90 is: 118,045,963.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,423,078.30 : 232,827,562.65 = 78,801,095.90 : x
  2. Step 2: Convert to fraction form
    155,423,078.30/232,827,562.65 = 78,801,095.90/x
  3. Step 3: Cross multiply
    155,423,078.30x = 232,827,562.65 × 78,801,095.90
  4. Step 4: Simplify right side
    155,423,078.30x = 18,347,067,092,545,908
  5. Step 5: Solve for x
    x = 18,347,067,092,545,908/155,423,078.30
  6. Step 6: Final answer
    x = 118,045,963.91

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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.