Home / 146,909,145.60-220,363,718.40-78,884,697.60

Finding the Fourth Proportional to 146,909,145.60, 220,363,718.40 and 78,884,697.60

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Solution

The fourth proportional to 146,909,145.60, 220,363,718.40 and 78,884,697.60 is: 118,327,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,909,145.60 : 220,363,718.40 = 78,884,697.60 : x
  2. Step 2: Convert to fraction form
    146,909,145.60/220,363,718.40 = 78,884,697.60/x
  3. Step 3: Cross multiply
    146,909,145.60x = 220,363,718.40 × 78,884,697.60
  4. Step 4: Simplify right side
    146,909,145.60x = 17,383,325,287,995,554
  5. Step 5: Solve for x
    x = 17,383,325,287,995,554/146,909,145.60
  6. Step 6: Final answer
    x = 118,327,046.40

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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.