Home / 90,683,945.48-135,826,534.13-74,943,382.75

Finding the Fourth Proportional to 90,683,945.48, 135,826,534.13 and 74,943,382.75

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Solution

The fourth proportional to 90,683,945.48, 135,826,534.13 and 74,943,382.75 is: 112,250,298.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,683,945.48 : 135,826,534.13 = 74,943,382.75 : x
  2. Step 2: Convert to fraction form
    90,683,945.48/135,826,534.13 = 74,943,382.75/x
  3. Step 3: Cross multiply
    90,683,945.48x = 135,826,534.13 × 74,943,382.75
  4. Step 4: Simplify right side
    90,683,945.48x = 10,179,299,934,196,246
  5. Step 5: Solve for x
    x = 10,179,299,934,196,246/90,683,945.48
  6. Step 6: Final answer
    x = 112,250,298.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.