Home / 126,909,621.40-190,364,432.10-36,021,400.60

Finding the Fourth Proportional to 126,909,621.40, 190,364,432.10 and 36,021,400.60

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Solution

The fourth proportional to 126,909,621.40, 190,364,432.10 and 36,021,400.60 is: 54,032,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,909,621.40 : 190,364,432.10 = 36,021,400.60 : x
  2. Step 2: Convert to fraction form
    126,909,621.40/190,364,432.10 = 36,021,400.60/x
  3. Step 3: Cross multiply
    126,909,621.40x = 190,364,432.10 × 36,021,400.60
  4. Step 4: Simplify right side
    126,909,621.40x = 6,857,193,468,665,599
  5. Step 5: Solve for x
    x = 6,857,193,468,665,599/126,909,621.40
  6. Step 6: Final answer
    x = 54,032,100.90

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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.