Home / 127,452,513.15-175,879,359.32-75,258,358.47

Finding the Fourth Proportional to 127,452,513.15, 175,879,359.32 and 75,258,358.47

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Solution

The fourth proportional to 127,452,513.15, 175,879,359.32 and 75,258,358.47 is: 103,853,518.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,452,513.15 : 175,879,359.32 = 75,258,358.47 : x
  2. Step 2: Convert to fraction form
    127,452,513.15/175,879,359.32 = 75,258,358.47/x
  3. Step 3: Cross multiply
    127,452,513.15x = 175,879,359.32 × 75,258,358.47
  4. Step 4: Simplify right side
    127,452,513.15x = 13,236,391,870,802,204
  5. Step 5: Solve for x
    x = 13,236,391,870,802,204/127,452,513.15
  6. Step 6: Final answer
    x = 103,853,518.02

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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.