Home / 310,799,768.40-466,367,614.20-138,303,205.20

Finding the Fourth Proportional to 310,799,768.40, 466,367,614.20 and 138,303,205.20

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Solution

The fourth proportional to 310,799,768.40, 466,367,614.20 and 138,303,205.20 is: 207,529,549.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,799,768.40 : 466,367,614.20 = 138,303,205.20 : x
  2. Step 2: Convert to fraction form
    310,799,768.40/466,367,614.20 = 138,303,205.20/x
  3. Step 3: Cross multiply
    310,799,768.40x = 466,367,614.20 × 138,303,205.20
  4. Step 4: Simplify right side
    310,799,768.40x = 64,500,135,845,337,024
  5. Step 5: Solve for x
    x = 64,500,135,845,337,024/310,799,768.40
  6. Step 6: Final answer
    x = 207,529,549.26

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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.