Home / 87,573,850.80-131,136,827.40-64,731,073.20

Finding the Fourth Proportional to 87,573,850.80, 131,136,827.40 and 64,731,073.20

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Solution

The fourth proportional to 87,573,850.80, 131,136,827.40 and 64,731,073.20 is: 96,931,075.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,573,850.80 : 131,136,827.40 = 64,731,073.20 : x
  2. Step 2: Convert to fraction form
    87,573,850.80/131,136,827.40 = 64,731,073.20/x
  3. Step 3: Cross multiply
    87,573,850.80x = 131,136,827.40 × 64,731,073.20
  4. Step 4: Simplify right side
    87,573,850.80x = 8,488,627,573,645,166
  5. Step 5: Solve for x
    x = 8,488,627,573,645,166/87,573,850.80
  6. Step 6: Final answer
    x = 96,931,075.84

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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.