Home / 146,774,448.60-220,161,672.90-78,750,000.60

Finding the Fourth Proportional to 146,774,448.60, 220,161,672.90 and 78,750,000.60

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Solution

The fourth proportional to 146,774,448.60, 220,161,672.90 and 78,750,000.60 is: 118,125,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,774,448.60 : 220,161,672.90 = 78,750,000.60 : x
  2. Step 2: Convert to fraction form
    146,774,448.60/220,161,672.90 = 78,750,000.60/x
  3. Step 3: Cross multiply
    146,774,448.60x = 220,161,672.90 × 78,750,000.60
  4. Step 4: Simplify right side
    146,774,448.60x = 17,337,731,872,972,002
  5. Step 5: Solve for x
    x = 17,337,731,872,972,002/146,774,448.60
  6. Step 6: Final answer
    x = 118,125,000.90

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1.5x scale

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.