Home / 129,348,549.10-194,049,780.45-43,113,745.90

Finding the Fourth Proportional to 129,348,549.10, 194,049,780.45 and 43,113,745.90

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Solution

The fourth proportional to 129,348,549.10, 194,049,780.45 and 43,113,745.90 is: 64,679,603.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,348,549.10 : 194,049,780.45 = 43,113,745.90 : x
  2. Step 2: Convert to fraction form
    129,348,549.10/194,049,780.45 = 43,113,745.90/x
  3. Step 3: Cross multiply
    129,348,549.10x = 194,049,780.45 × 43,113,745.90
  4. Step 4: Simplify right side
    129,348,549.10x = 8,366,212,926,272,087
  5. Step 5: Solve for x
    x = 8,366,212,926,272,087/129,348,549.10
  6. Step 6: Final answer
    x = 64,679,603.94

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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.