Home / 57,170,584.60-78,895,234.98-31,065,182.08

Finding the Fourth Proportional to 57,170,584.60, 78,895,234.98 and 31,065,182.08

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Solution

The fourth proportional to 57,170,584.60, 78,895,234.98 and 31,065,182.08 is: 42,869,857.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170,584.60 : 78,895,234.98 = 31,065,182.08 : x
  2. Step 2: Convert to fraction form
    57,170,584.60/78,895,234.98 = 31,065,182.08/x
  3. Step 3: Cross multiply
    57,170,584.60x = 78,895,234.98 × 31,065,182.08
  4. Step 4: Simplify right side
    57,170,584.60x = 2,450,894,839,898,085
  5. Step 5: Solve for x
    x = 2,450,894,839,898,085/57,170,584.60
  6. Step 6: Final answer
    x = 42,869,857.94

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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.