Home / 218,799,249.88-301,939,411.96-119,679,130.20

Finding the Fourth Proportional to 218,799,249.88, 301,939,411.96 and 119,679,130.20

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Solution

The fourth proportional to 218,799,249.88, 301,939,411.96 and 119,679,130.20 is: 165,155,256.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,799,249.88 : 301,939,411.96 = 119,679,130.20 : x
  2. Step 2: Convert to fraction form
    218,799,249.88/301,939,411.96 = 119,679,130.20/x
  3. Step 3: Cross multiply
    218,799,249.88x = 301,939,411.96 × 119,679,130.20
  4. Step 4: Simplify right side
    218,799,249.88x = 36,135,846,196,472,272
  5. Step 5: Solve for x
    x = 36,135,846,196,472,272/218,799,249.88
  6. Step 6: Final answer
    x = 165,155,256.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.