Home / 87,442,004.20-131,163,006.30-61,365,965.80

Finding the Fourth Proportional to 87,442,004.20, 131,163,006.30 and 61,365,965.80

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Solution

The fourth proportional to 87,442,004.20, 131,163,006.30 and 61,365,965.80 is: 92,048,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,442,004.20 : 131,163,006.30 = 61,365,965.80 : x
  2. Step 2: Convert to fraction form
    87,442,004.20/131,163,006.30 = 61,365,965.80/x
  3. Step 3: Cross multiply
    87,442,004.20x = 131,163,006.30 × 61,365,965.80
  4. Step 4: Simplify right side
    87,442,004.20x = 8,048,944,558,830,984
  5. Step 5: Solve for x
    x = 8,048,944,558,830,984/87,442,004.20
  6. Step 6: Final answer
    x = 92,048,948.70

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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.