Home / 99,758,715,368.25-137,665,930,481.16-54,031,853,259.21

Finding the Fourth Proportional to 99,758,715,368.25, 137,665,930,481.16 and 54,031,853,259.21

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Solution

The fourth proportional to 99,758,715,368.25, 137,665,930,481.16 and 54,031,853,259.21 is: 74,563,363,482.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,758,715,368.25 : 137,665,930,481.16 = 54,031,853,259.21 : x
  2. Step 2: Convert to fraction form
    99,758,715,368.25/137,665,930,481.16 = 54,031,853,259.21/x
  3. Step 3: Cross multiply
    99,758,715,368.25x = 137,665,930,481.16 × 54,031,853,259.21
  4. Step 4: Simplify right side
    99,758,715,368.25x = 7,438,345,354,550,642,212,864
  5. Step 5: Solve for x
    x = 7,438,345,354,550,642,212,864/99,758,715,368.25
  6. Step 6: Final answer
    x = 74,563,363,482.51

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Double scale
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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.