Home / 261,159,767.10-392,041,359.45-140,227,415.10

Finding the Fourth Proportional to 261,159,767.10, 392,041,359.45 and 140,227,415.10

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Solution

The fourth proportional to 261,159,767.10, 392,041,359.45 and 140,227,415.10 is: 210,503,122.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,159,767.10 : 392,041,359.45 = 140,227,415.10 : x
  2. Step 2: Convert to fraction form
    261,159,767.10/392,041,359.45 = 140,227,415.10/x
  3. Step 3: Cross multiply
    261,159,767.10x = 392,041,359.45 × 140,227,415.10
  4. Step 4: Simplify right side
    261,159,767.10x = 54,974,946,447,963,456
  5. Step 5: Solve for x
    x = 54,974,946,447,963,456/261,159,767.10
  6. Step 6: Final answer
    x = 210,503,122.51

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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.