Home / 51,205,998,069.85-70,662,743,262.77-28,344,072,876.20

Finding the Fourth Proportional to 51,205,998,069.85, 70,662,743,262.77 and 28,344,072,876.20

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Solution

The fourth proportional to 51,205,998,069.85, 70,662,743,262.77 and 28,344,072,876.20 is: 39,113,971,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,205,998,069.85 : 70,662,743,262.77 = 28,344,072,876.20 : x
  2. Step 2: Convert to fraction form
    51,205,998,069.85/70,662,743,262.77 = 28,344,072,876.20/x
  3. Step 3: Cross multiply
    51,205,998,069.85x = 70,662,743,262.77 × 28,344,072,876.20
  4. Step 4: Simplify right side
    51,205,998,069.85x = 2,002,869,944,672,162,938,880
  5. Step 5: Solve for x
    x = 2,002,869,944,672,162,938,880/51,205,998,069.85
  6. Step 6: Final answer
    x = 39,113,971,412.88

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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.