Home / 127,459,725.56-175,884,360.06-71,694,043.72

Finding the Fourth Proportional to 127,459,725.56, 175,884,360.06 and 71,694,043.72

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Solution

The fourth proportional to 127,459,725.56, 175,884,360.06 and 71,694,043.72 is: 98,932,121.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,459,725.56 : 175,884,360.06 = 71,694,043.72 : x
  2. Step 2: Convert to fraction form
    127,459,725.56/175,884,360.06 = 71,694,043.72/x
  3. Step 3: Cross multiply
    127,459,725.56x = 175,884,360.06 × 71,694,043.72
  4. Step 4: Simplify right side
    127,459,725.56x = 12,609,860,999,805,862
  5. Step 5: Solve for x
    x = 12,609,860,999,805,862/127,459,725.56
  6. Step 6: Final answer
    x = 98,932,121.06

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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.