Home / 155,148,225.20-232,722,337.80-68,794,967.60

Finding the Fourth Proportional to 155,148,225.20, 232,722,337.80 and 68,794,967.60

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Solution

The fourth proportional to 155,148,225.20, 232,722,337.80 and 68,794,967.60 is: 103,192,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,148,225.20 : 232,722,337.80 = 68,794,967.60 : x
  2. Step 2: Convert to fraction form
    155,148,225.20/232,722,337.80 = 68,794,967.60/x
  3. Step 3: Cross multiply
    155,148,225.20x = 232,722,337.80 × 68,794,967.60
  4. Step 4: Simplify right side
    155,148,225.20x = 16,010,125,688,747,254
  5. Step 5: Solve for x
    x = 16,010,125,688,747,254/155,148,225.20
  6. Step 6: Final answer
    x = 103,192,451.40

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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.