Home / 261,925,445.40-392,954,232.24-87,049,397.04

Finding the Fourth Proportional to 261,925,445.40, 392,954,232.24 and 87,049,397.04

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Solution

The fourth proportional to 261,925,445.40, 392,954,232.24 and 87,049,397.04 is: 130,596,051.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,925,445.40 : 392,954,232.24 = 87,049,397.04 : x
  2. Step 2: Convert to fraction form
    261,925,445.40/392,954,232.24 = 87,049,397.04/x
  3. Step 3: Cross multiply
    261,925,445.40x = 392,954,232.24 × 87,049,397.04
  4. Step 4: Simplify right side
    261,925,445.40x = 34,206,428,980,808,132
  5. Step 5: Solve for x
    x = 34,206,428,980,808,132/261,925,445.40
  6. Step 6: Final answer
    x = 130,596,051.59

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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.