Home / 51,278,728.40-76,899,430.20-25,711,240.40

Finding the Fourth Proportional to 51,278,728.40, 76,899,430.20 and 25,711,240.40

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Solution

The fourth proportional to 51,278,728.40, 76,899,430.20 and 25,711,240.40 is: 38,557,503.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,278,728.40 : 76,899,430.20 = 25,711,240.40 : x
  2. Step 2: Convert to fraction form
    51,278,728.40/76,899,430.20 = 25,711,240.40/x
  3. Step 3: Cross multiply
    51,278,728.40x = 76,899,430.20 × 25,711,240.40
  4. Step 4: Simplify right side
    51,278,728.40x = 1,977,179,736,495,220
  5. Step 5: Solve for x
    x = 1,977,179,736,495,220/51,278,728.40
  6. Step 6: Final answer
    x = 38,557,503.24

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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.