Home / 71,357,671,150.50-98,445,716,821.53-40,857,555,699.30

Finding the Fourth Proportional to 71,357,671,150.50, 98,445,716,821.53 and 40,857,555,699.30

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Solution

The fourth proportional to 71,357,671,150.50, 98,445,716,821.53 and 40,857,555,699.30 is: 56,367,469,587.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,357,671,150.50 : 98,445,716,821.53 = 40,857,555,699.30 : x
  2. Step 2: Convert to fraction form
    71,357,671,150.50/98,445,716,821.53 = 40,857,555,699.30/x
  3. Step 3: Cross multiply
    71,357,671,150.50x = 98,445,716,821.53 × 40,857,555,699.30
  4. Step 4: Simplify right side
    71,357,671,150.50x = 4,022,251,358,393,176,948,736
  5. Step 5: Solve for x
    x = 4,022,251,358,393,176,948,736/71,357,671,150.50
  6. Step 6: Final answer
    x = 56,367,469,587.26

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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.