Home / 87,155,999.80-130,733,999.70-41,806,367.80

Finding the Fourth Proportional to 87,155,999.80, 130,733,999.70 and 41,806,367.80

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Solution

The fourth proportional to 87,155,999.80, 130,733,999.70 and 41,806,367.80 is: 62,709,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,155,999.80 : 130,733,999.70 = 41,806,367.80 : x
  2. Step 2: Convert to fraction form
    87,155,999.80/130,733,999.70 = 41,806,367.80/x
  3. Step 3: Cross multiply
    87,155,999.80x = 130,733,999.70 × 41,806,367.80
  4. Step 4: Simplify right side
    87,155,999.80x = 5,465,513,675,423,289
  5. Step 5: Solve for x
    x = 5,465,513,675,423,289/87,155,999.80
  6. Step 6: Final answer
    x = 62,709,551.70

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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.