Home / 70,220,589.66-96,908,178.87-39,278,913.66

Finding the Fourth Proportional to 70,220,589.66, 96,908,178.87 and 39,278,913.66

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Solution

The fourth proportional to 70,220,589.66, 96,908,178.87 and 39,278,913.66 is: 54,207,006.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,220,589.66 : 96,908,178.87 = 39,278,913.66 : x
  2. Step 2: Convert to fraction form
    70,220,589.66/96,908,178.87 = 39,278,913.66/x
  3. Step 3: Cross multiply
    70,220,589.66x = 96,908,178.87 × 39,278,913.66
  4. Step 4: Simplify right side
    70,220,589.66x = 3,806,447,990,782,566
  5. Step 5: Solve for x
    x = 3,806,447,990,782,566/70,220,589.66
  6. Step 6: Final answer
    x = 54,207,006.94

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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.