Home / 261,159,768.60-392,041,361.70-140,227,416.60

Finding the Fourth Proportional to 261,159,768.60, 392,041,361.70 and 140,227,416.60

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Solution

The fourth proportional to 261,159,768.60, 392,041,361.70 and 140,227,416.60 is: 210,503,124.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,159,768.60 : 392,041,361.70 = 140,227,416.60 : x
  2. Step 2: Convert to fraction form
    261,159,768.60/392,041,361.70 = 140,227,416.60/x
  3. Step 3: Cross multiply
    261,159,768.60x = 392,041,361.70 × 140,227,416.60
  4. Step 4: Simplify right side
    261,159,768.60x = 54,974,947,351,537,184
  5. Step 5: Solve for x
    x = 54,974,947,351,537,184/261,159,768.60
  6. Step 6: Final answer
    x = 210,503,124.76

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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.