Home / 84,615,686.80-126,965,520.60-48,252,000.40

Finding the Fourth Proportional to 84,615,686.80, 126,965,520.60 and 48,252,000.40

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Solution

The fourth proportional to 84,615,686.80, 126,965,520.60 and 48,252,000.40 is: 72,401,945.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,615,686.80 : 126,965,520.60 = 48,252,000.40 : x
  2. Step 2: Convert to fraction form
    84,615,686.80/126,965,520.60 = 48,252,000.40/x
  3. Step 3: Cross multiply
    84,615,686.80x = 126,965,520.60 × 48,252,000.40
  4. Step 4: Simplify right side
    84,615,686.80x = 6,126,340,350,777,408
  5. Step 5: Solve for x
    x = 6,126,340,350,777,408/84,615,686.80
  6. Step 6: Final answer
    x = 72,401,945.58

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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.