Home / 127,452,515.40-175,879,362.42-75,258,360.72

Finding the Fourth Proportional to 127,452,515.40, 175,879,362.42 and 75,258,360.72

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Solution

The fourth proportional to 127,452,515.40, 175,879,362.42 and 75,258,360.72 is: 103,853,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,452,515.40 : 175,879,362.42 = 75,258,360.72 : x
  2. Step 2: Convert to fraction form
    127,452,515.40/175,879,362.42 = 75,258,360.72/x
  3. Step 3: Cross multiply
    127,452,515.40x = 175,879,362.42 × 75,258,360.72
  4. Step 4: Simplify right side
    127,452,515.40x = 13,236,392,500,207,970
  5. Step 5: Solve for x
    x = 13,236,392,500,207,970/127,452,515.40
  6. Step 6: Final answer
    x = 103,853,521.12

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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.