Home / 87,480,274.60-131,220,411.90-86,976,389.80

Finding the Fourth Proportional to 87,480,274.60, 131,220,411.90 and 86,976,389.80

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Solution

The fourth proportional to 87,480,274.60, 131,220,411.90 and 86,976,389.80 is: 130,464,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,480,274.60 : 131,220,411.90 = 86,976,389.80 : x
  2. Step 2: Convert to fraction form
    87,480,274.60/131,220,411.90 = 86,976,389.80/x
  3. Step 3: Cross multiply
    87,480,274.60x = 131,220,411.90 × 86,976,389.80
  4. Step 4: Simplify right side
    87,480,274.60x = 11,413,077,695,130,958
  5. Step 5: Solve for x
    x = 11,413,077,695,130,958/87,480,274.60
  6. Step 6: Final answer
    x = 130,464,584.70

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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.