Home / 79,461,168.30-119,191,752.45-68,690,630.70

Finding the Fourth Proportional to 79,461,168.30, 119,191,752.45 and 68,690,630.70

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Solution

The fourth proportional to 79,461,168.30, 119,191,752.45 and 68,690,630.70 is: 103,035,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,461,168.30 : 119,191,752.45 = 68,690,630.70 : x
  2. Step 2: Convert to fraction form
    79,461,168.30/119,191,752.45 = 68,690,630.70/x
  3. Step 3: Cross multiply
    79,461,168.30x = 119,191,752.45 × 68,690,630.70
  4. Step 4: Simplify right side
    79,461,168.30x = 8,187,356,650,028,771
  5. Step 5: Solve for x
    x = 8,187,356,650,028,771/79,461,168.30
  6. Step 6: Final answer
    x = 103,035,946.05

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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.