Home / 126,982,154.86-190,427,561.35-43,961,364.48

Finding the Fourth Proportional to 126,982,154.86, 190,427,561.35 and 43,961,364.48

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Solution

The fourth proportional to 126,982,154.86, 190,427,561.35 and 43,961,364.48 is: 65,926,235.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,982,154.86 : 190,427,561.35 = 43,961,364.48 : x
  2. Step 2: Convert to fraction form
    126,982,154.86/190,427,561.35 = 43,961,364.48/x
  3. Step 3: Cross multiply
    126,982,154.86x = 190,427,561.35 × 43,961,364.48
  4. Step 4: Simplify right side
    126,982,154.86x = 8,371,455,431,077,955
  5. Step 5: Solve for x
    x = 8,371,455,431,077,955/126,982,154.86
  6. Step 6: Final answer
    x = 65,926,235.39

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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.