Home / 51,235,153.88-70,706,188.48-28,029,742.52

Finding the Fourth Proportional to 51,235,153.88, 70,706,188.48 and 28,029,742.52

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Solution

The fourth proportional to 51,235,153.88, 70,706,188.48 and 28,029,742.52 is: 38,681,961.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,235,153.88 : 70,706,188.48 = 28,029,742.52 : x
  2. Step 2: Convert to fraction form
    51,235,153.88/70,706,188.48 = 28,029,742.52/x
  3. Step 3: Cross multiply
    51,235,153.88x = 70,706,188.48 × 28,029,742.52
  4. Step 4: Simplify right side
    51,235,153.88x = 1,981,876,257,664,990.25
  5. Step 5: Solve for x
    x = 1,981,876,257,664,990.25/51,235,153.88
  6. Step 6: Final answer
    x = 38,681,961.65

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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.