Home / 83,556,248.40-125,334,372.60-77,887,544.40

Finding the Fourth Proportional to 83,556,248.40, 125,334,372.60 and 77,887,544.40

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Solution

The fourth proportional to 83,556,248.40, 125,334,372.60 and 77,887,544.40 is: 116,831,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,556,248.40 : 125,334,372.60 = 77,887,544.40 : x
  2. Step 2: Convert to fraction form
    83,556,248.40/125,334,372.60 = 77,887,544.40/x
  3. Step 3: Cross multiply
    83,556,248.40x = 125,334,372.60 × 77,887,544.40
  4. Step 4: Simplify right side
    83,556,248.40x = 9,761,986,510,728,644
  5. Step 5: Solve for x
    x = 9,761,986,510,728,644/83,556,248.40
  6. Step 6: Final answer
    x = 116,831,316.60

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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.