Home / 87,285,198.19-130,779,636.53-52,668,866

Finding the Fourth Proportional to 87,285,198.19, 130,779,636.53 and 52,668,866

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Solution

The fourth proportional to 87,285,198.19, 130,779,636.53 and 52,668,866 is: 78,913,897.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,285,198.19 : 130,779,636.53 = 52,668,866 : x
  2. Step 2: Convert to fraction form
    87,285,198.19/130,779,636.53 = 52,668,866/x
  3. Step 3: Cross multiply
    87,285,198.19x = 130,779,636.53 × 52,668,866
  4. Step 4: Simplify right side
    87,285,198.19x = 6,888,015,151,927,275
  5. Step 5: Solve for x
    x = 6,888,015,151,927,275/87,285,198.19
  6. Step 6: Final answer
    x = 78,913,897.14

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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.