Home / 76,366,366.85-105,407,793.35-49,908,700.74

Finding the Fourth Proportional to 76,366,366.85, 105,407,793.35 and 49,908,700.74

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Solution

The fourth proportional to 76,366,366.85, 105,407,793.35 and 49,908,700.74 is: 68,888,520.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,366,366.85 : 105,407,793.35 = 49,908,700.74 : x
  2. Step 2: Convert to fraction form
    76,366,366.85/105,407,793.35 = 49,908,700.74/x
  3. Step 3: Cross multiply
    76,366,366.85x = 105,407,793.35 × 49,908,700.74
  4. Step 4: Simplify right side
    76,366,366.85x = 5,260,766,013,719,369
  5. Step 5: Solve for x
    x = 5,260,766,013,719,369/76,366,366.85
  6. Step 6: Final answer
    x = 68,888,520.31

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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.