Home / 77,244,752.61-115,849,167.26-28,745,446.95

Finding the Fourth Proportional to 77,244,752.61, 115,849,167.26 and 28,745,446.95

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Solution

The fourth proportional to 77,244,752.61, 115,849,167.26 and 28,745,446.95 is: 43,111,486.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,244,752.61 : 115,849,167.26 = 28,745,446.95 : x
  2. Step 2: Convert to fraction form
    77,244,752.61/115,849,167.26 = 28,745,446.95/x
  3. Step 3: Cross multiply
    77,244,752.61x = 115,849,167.26 × 28,745,446.95
  4. Step 4: Simplify right side
    77,244,752.61x = 3,330,136,091,530,279.50
  5. Step 5: Solve for x
    x = 3,330,136,091,530,279.50/77,244,752.61
  6. Step 6: Final answer
    x = 43,111,486.27

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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.