Home / 83,885,381.60-125,666,868.48-51,442,680.48

Finding the Fourth Proportional to 83,885,381.60, 125,666,868.48 and 51,442,680.48

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Solution

The fourth proportional to 83,885,381.60, 125,666,868.48 and 51,442,680.48 is: 77,065,162.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,885,381.60 : 125,666,868.48 = 51,442,680.48 : x
  2. Step 2: Convert to fraction form
    83,885,381.60/125,666,868.48 = 51,442,680.48/x
  3. Step 3: Cross multiply
    83,885,381.60x = 125,666,868.48 × 51,442,680.48
  4. Step 4: Simplify right side
    83,885,381.60x = 6,464,640,562,138,823
  5. Step 5: Solve for x
    x = 6,464,640,562,138,823/83,885,381.60
  6. Step 6: Final answer
    x = 77,065,162.47

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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.