Home / 109,132,500.60-163,698,750.90-65,979,491.40

Finding the Fourth Proportional to 109,132,500.60, 163,698,750.90 and 65,979,491.40

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Solution

The fourth proportional to 109,132,500.60, 163,698,750.90 and 65,979,491.40 is: 98,969,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,132,500.60 : 163,698,750.90 = 65,979,491.40 : x
  2. Step 2: Convert to fraction form
    109,132,500.60/163,698,750.90 = 65,979,491.40/x
  3. Step 3: Cross multiply
    109,132,500.60x = 163,698,750.90 × 65,979,491.40
  4. Step 4: Simplify right side
    109,132,500.60x = 10,800,760,327,197,292
  5. Step 5: Solve for x
    x = 10,800,760,327,197,292/109,132,500.60
  6. Step 6: Final answer
    x = 98,969,237.10

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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.