Home / 129,113,120.85-193,681,311.72-41,676,710.96

Finding the Fourth Proportional to 129,113,120.85, 193,681,311.72 and 41,676,710.96

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Solution

The fourth proportional to 129,113,120.85, 193,681,311.72 and 41,676,710.96 is: 62,518,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,113,120.85 : 193,681,311.72 = 41,676,710.96 : x
  2. Step 2: Convert to fraction form
    129,113,120.85/193,681,311.72 = 41,676,710.96/x
  3. Step 3: Cross multiply
    129,113,120.85x = 193,681,311.72 × 41,676,710.96
  4. Step 4: Simplify right side
    129,113,120.85x = 8,072,000,046,908,101
  5. Step 5: Solve for x
    x = 8,072,000,046,908,101/129,113,120.85
  6. Step 6: Final answer
    x = 62,518,820.66

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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.