Home / 87,845,782,359.19-121,218,708,870.60-49,266,268,456.10

Finding the Fourth Proportional to 87,845,782,359.19, 121,218,708,870.60 and 49,266,268,456.10

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Solution

The fourth proportional to 87,845,782,359.19, 121,218,708,870.60 and 49,266,268,456.10 is: 67,982,699,826.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,845,782,359.19 : 121,218,708,870.60 = 49,266,268,456.10 : x
  2. Step 2: Convert to fraction form
    87,845,782,359.19/121,218,708,870.60 = 49,266,268,456.10/x
  3. Step 3: Cross multiply
    87,845,782,359.19x = 121,218,708,870.60 × 49,266,268,456.10
  4. Step 4: Simplify right side
    87,845,782,359.19x = 5,971,993,453,120,325,681,152
  5. Step 5: Solve for x
    x = 5,971,993,453,120,325,681,152/87,845,782,359.19
  6. Step 6: Final answer
    x = 67,982,699,826.17

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Double scale
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1.5x scale

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.