Home / 70,721,927.25-106,082,920.35-31,814,934.57

Finding the Fourth Proportional to 70,721,927.25, 106,082,920.35 and 31,814,934.57

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Solution

The fourth proportional to 70,721,927.25, 106,082,920.35 and 31,814,934.57 is: 47,722,415.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,721,927.25 : 106,082,920.35 = 31,814,934.57 : x
  2. Step 2: Convert to fraction form
    70,721,927.25/106,082,920.35 = 31,814,934.57/x
  3. Step 3: Cross multiply
    70,721,927.25x = 106,082,920.35 × 31,814,934.57
  4. Step 4: Simplify right side
    70,721,927.25x = 3,375,021,169,929,771.50
  5. Step 5: Solve for x
    x = 3,375,021,169,929,771.50/70,721,927.25
  6. Step 6: Final answer
    x = 47,722,415.12

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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.