Home / 150,178,475.20-225,267,712.80-139,655,943.40

Finding the Fourth Proportional to 150,178,475.20, 225,267,712.80 and 139,655,943.40

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Solution

The fourth proportional to 150,178,475.20, 225,267,712.80 and 139,655,943.40 is: 209,483,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,178,475.20 : 225,267,712.80 = 139,655,943.40 : x
  2. Step 2: Convert to fraction form
    150,178,475.20/225,267,712.80 = 139,655,943.40/x
  3. Step 3: Cross multiply
    150,178,475.20x = 225,267,712.80 × 139,655,943.40
  4. Step 4: Simplify right side
    150,178,475.20x = 31,459,974,948,644,260
  5. Step 5: Solve for x
    x = 31,459,974,948,644,260/150,178,475.20
  6. Step 6: Final answer
    x = 209,483,915.10

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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.