Home / 77,274,147.60-115,911,221.40-55,859,043.60

Finding the Fourth Proportional to 77,274,147.60, 115,911,221.40 and 55,859,043.60

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Solution

The fourth proportional to 77,274,147.60, 115,911,221.40 and 55,859,043.60 is: 83,788,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,274,147.60 : 115,911,221.40 = 55,859,043.60 : x
  2. Step 2: Convert to fraction form
    77,274,147.60/115,911,221.40 = 55,859,043.60/x
  3. Step 3: Cross multiply
    77,274,147.60x = 115,911,221.40 × 55,859,043.60
  4. Step 4: Simplify right side
    77,274,147.60x = 6,474,689,969,911,854
  5. Step 5: Solve for x
    x = 6,474,689,969,911,854/77,274,147.60
  6. Step 6: Final answer
    x = 83,788,565.40

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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.