Home / 87,210,517.95-120,312,701.46-51,908,527.10

Finding the Fourth Proportional to 87,210,517.95, 120,312,701.46 and 51,908,527.10

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Solution

The fourth proportional to 87,210,517.95, 120,312,701.46 and 51,908,527.10 is: 71,611,260.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,210,517.95 : 120,312,701.46 = 51,908,527.10 : x
  2. Step 2: Convert to fraction form
    87,210,517.95/120,312,701.46 = 51,908,527.10/x
  3. Step 3: Cross multiply
    87,210,517.95x = 120,312,701.46 × 51,908,527.10
  4. Step 4: Simplify right side
    87,210,517.95x = 6,245,255,124,210,619
  5. Step 5: Solve for x
    x = 6,245,255,124,210,619/87,210,517.95
  6. Step 6: Final answer
    x = 71,611,260.56

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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.