Home / 87,345,219.80-131,017,829.70-41,883,613.40

Finding the Fourth Proportional to 87,345,219.80, 131,017,829.70 and 41,883,613.40

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Solution

The fourth proportional to 87,345,219.80, 131,017,829.70 and 41,883,613.40 is: 62,825,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,345,219.80 : 131,017,829.70 = 41,883,613.40 : x
  2. Step 2: Convert to fraction form
    87,345,219.80/131,017,829.70 = 41,883,613.40/x
  3. Step 3: Cross multiply
    87,345,219.80x = 131,017,829.70 × 41,883,613.40
  4. Step 4: Simplify right side
    87,345,219.80x = 5,487,500,127,661,838
  5. Step 5: Solve for x
    x = 5,487,500,127,661,838/87,345,219.80
  6. Step 6: Final answer
    x = 62,825,420.10

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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.