Home / 127,430,619.40-175,808,905.14-75,193,512.04

Finding the Fourth Proportional to 127,430,619.40, 175,808,905.14 and 75,193,512.04

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Solution

The fourth proportional to 127,430,619.40, 175,808,905.14 and 75,193,512.04 is: 103,740,286.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,430,619.40 : 175,808,905.14 = 75,193,512.04 : x
  2. Step 2: Convert to fraction form
    127,430,619.40/175,808,905.14 = 75,193,512.04/x
  3. Step 3: Cross multiply
    127,430,619.40x = 175,808,905.14 × 75,193,512.04
  4. Step 4: Simplify right side
    127,430,619.40x = 13,219,689,025,383,808
  5. Step 5: Solve for x
    x = 13,219,689,025,383,808/127,430,619.40
  6. Step 6: Final answer
    x = 103,740,286.97

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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.