Home / 127,242,407.12-175,596,843.47-70,732,459.44

Finding the Fourth Proportional to 127,242,407.12, 175,596,843.47 and 70,732,459.44

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Solution

The fourth proportional to 127,242,407.12, 175,596,843.47 and 70,732,459.44 is: 97,612,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,242,407.12 : 175,596,843.47 = 70,732,459.44 : x
  2. Step 2: Convert to fraction form
    127,242,407.12/175,596,843.47 = 70,732,459.44/x
  3. Step 3: Cross multiply
    127,242,407.12x = 175,596,843.47 × 70,732,459.44
  4. Step 4: Simplify right side
    127,242,407.12x = 12,420,396,608,180,142
  5. Step 5: Solve for x
    x = 12,420,396,608,180,142/127,242,407.12
  6. Step 6: Final answer
    x = 97,612,084.60

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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.