Home / 51,980,723.65-71,710,881.28-31,342,704.49

Finding the Fourth Proportional to 51,980,723.65, 71,710,881.28 and 31,342,704.49

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Solution

The fourth proportional to 51,980,723.65, 71,710,881.28 and 31,342,704.49 is: 43,239,354.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,980,723.65 : 71,710,881.28 = 31,342,704.49 : x
  2. Step 2: Convert to fraction form
    51,980,723.65/71,710,881.28 = 31,342,704.49/x
  3. Step 3: Cross multiply
    51,980,723.65x = 71,710,881.28 × 31,342,704.49
  4. Step 4: Simplify right side
    51,980,723.65x = 2,247,612,960,676,512.75
  5. Step 5: Solve for x
    x = 2,247,612,960,676,512.75/51,980,723.65
  6. Step 6: Final answer
    x = 43,239,354.95

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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.