Home / 83,556,246.40-125,334,369.60-77,887,542.40

Finding the Fourth Proportional to 83,556,246.40, 125,334,369.60 and 77,887,542.40

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Solution

The fourth proportional to 83,556,246.40, 125,334,369.60 and 77,887,542.40 is: 116,831,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,556,246.40 : 125,334,369.60 = 77,887,542.40 : x
  2. Step 2: Convert to fraction form
    83,556,246.40/125,334,369.60 = 77,887,542.40/x
  3. Step 3: Cross multiply
    83,556,246.40x = 125,334,369.60 × 77,887,542.40
  4. Step 4: Simplify right side
    83,556,246.40x = 9,761,986,026,397,272
  5. Step 5: Solve for x
    x = 9,761,986,026,397,272/83,556,246.40
  6. Step 6: Final answer
    x = 116,831,313.60

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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.