Home / 87,149,000.80-130,849,472.40-65,733,896.80

Finding the Fourth Proportional to 87,149,000.80, 130,849,472.40 and 65,733,896.80

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Solution

The fourth proportional to 87,149,000.80, 130,849,472.40 and 65,733,896.80 is: 98,695,861.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,149,000.80 : 130,849,472.40 = 65,733,896.80 : x
  2. Step 2: Convert to fraction form
    87,149,000.80/130,849,472.40 = 65,733,896.80/x
  3. Step 3: Cross multiply
    87,149,000.80x = 130,849,472.40 × 65,733,896.80
  4. Step 4: Simplify right side
    87,149,000.80x = 8,601,245,715,076,048
  5. Step 5: Solve for x
    x = 8,601,245,715,076,048/87,149,000.80
  6. Step 6: Final answer
    x = 98,695,861.53

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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.