Home / 87,925,643.20-131,827,024.80-52,005,361.60

Finding the Fourth Proportional to 87,925,643.20, 131,827,024.80 and 52,005,361.60

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Solution

The fourth proportional to 87,925,643.20, 131,827,024.80 and 52,005,361.60 is: 77,971,702.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,925,643.20 : 131,827,024.80 = 52,005,361.60 : x
  2. Step 2: Convert to fraction form
    87,925,643.20/131,827,024.80 = 52,005,361.60/x
  3. Step 3: Cross multiply
    87,925,643.20x = 131,827,024.80 × 52,005,361.60
  4. Step 4: Simplify right side
    87,925,643.20x = 6,855,712,093,376,168
  5. Step 5: Solve for x
    x = 6,855,712,093,376,168/87,925,643.20
  6. Step 6: Final answer
    x = 77,971,702.50

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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.