Home / 78,725,090.60-118,087,635.90-44,287,713.80

Finding the Fourth Proportional to 78,725,090.60, 118,087,635.90 and 44,287,713.80

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Solution

The fourth proportional to 78,725,090.60, 118,087,635.90 and 44,287,713.80 is: 66,431,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,725,090.60 : 118,087,635.90 = 44,287,713.80 : x
  2. Step 2: Convert to fraction form
    78,725,090.60/118,087,635.90 = 44,287,713.80/x
  3. Step 3: Cross multiply
    78,725,090.60x = 118,087,635.90 × 44,287,713.80
  4. Step 4: Simplify right side
    78,725,090.60x = 5,229,831,422,057,805
  5. Step 5: Solve for x
    x = 5,229,831,422,057,805/78,725,090.60
  6. Step 6: Final answer
    x = 66,431,570.70

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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.