Home / 86,341,279.40-129,495,330.30-25,758,981.80

Finding the Fourth Proportional to 86,341,279.40, 129,495,330.30 and 25,758,981.80

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Solution

The fourth proportional to 86,341,279.40, 129,495,330.30 and 25,758,981.80 is: 38,633,523.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,341,279.40 : 129,495,330.30 = 25,758,981.80 : x
  2. Step 2: Convert to fraction form
    86,341,279.40/129,495,330.30 = 25,758,981.80/x
  3. Step 3: Cross multiply
    86,341,279.40x = 129,495,330.30 × 25,758,981.80
  4. Step 4: Simplify right side
    86,341,279.40x = 3,335,667,856,382,688.50
  5. Step 5: Solve for x
    x = 3,335,667,856,382,688.50/86,341,279.40
  6. Step 6: Final answer
    x = 38,633,523.61

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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.