Home / 69,397,378.16-103,982,507.26-42,020,752.73

Finding the Fourth Proportional to 69,397,378.16, 103,982,507.26 and 42,020,752.73

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Solution

The fourth proportional to 69,397,378.16, 103,982,507.26 and 42,020,752.73 is: 62,962,367.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,397,378.16 : 103,982,507.26 = 42,020,752.73 : x
  2. Step 2: Convert to fraction form
    69,397,378.16/103,982,507.26 = 42,020,752.73/x
  3. Step 3: Cross multiply
    69,397,378.16x = 103,982,507.26 × 42,020,752.73
  4. Step 4: Simplify right side
    69,397,378.16x = 4,369,423,225,192,925.50
  5. Step 5: Solve for x
    x = 4,369,423,225,192,925.50/69,397,378.16
  6. Step 6: Final answer
    x = 62,962,367.47

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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.