Home / 87,285,194.16-130,779,630.50-52,668,861.96

Finding the Fourth Proportional to 87,285,194.16, 130,779,630.50 and 52,668,861.96

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Solution

The fourth proportional to 87,285,194.16, 130,779,630.50 and 52,668,861.96 is: 78,913,891.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,285,194.16 : 130,779,630.50 = 52,668,861.96 : x
  2. Step 2: Convert to fraction form
    87,285,194.16/130,779,630.50 = 52,668,861.96/x
  3. Step 3: Cross multiply
    87,285,194.16x = 130,779,630.50 × 52,668,861.96
  4. Step 4: Simplify right side
    87,285,194.16x = 6,888,014,305,984,306
  5. Step 5: Solve for x
    x = 6,888,014,305,984,306/87,285,194.16
  6. Step 6: Final answer
    x = 78,913,891.09

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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.