Home / 87,148,999.80-130,849,470.90-65,733,895.80

Finding the Fourth Proportional to 87,148,999.80, 130,849,470.90 and 65,733,895.80

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Solution

The fourth proportional to 87,148,999.80, 130,849,470.90 and 65,733,895.80 is: 98,695,860.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,148,999.80 : 130,849,470.90 = 65,733,895.80 : x
  2. Step 2: Convert to fraction form
    87,148,999.80/130,849,470.90 = 65,733,895.80/x
  3. Step 3: Cross multiply
    87,148,999.80x = 130,849,470.90 × 65,733,895.80
  4. Step 4: Simplify right side
    87,148,999.80x = 8,601,245,485,625,732
  5. Step 5: Solve for x
    x = 8,601,245,485,625,732/87,148,999.80
  6. Step 6: Final answer
    x = 98,695,860.03

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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.