Home / 91,863,031.40-126,685,829.66-67,043,905.64

Finding the Fourth Proportional to 91,863,031.40, 126,685,829.66 and 67,043,905.64

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Solution

The fourth proportional to 91,863,031.40, 126,685,829.66 and 67,043,905.64 is: 92,458,442.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,863,031.40 : 126,685,829.66 = 67,043,905.64 : x
  2. Step 2: Convert to fraction form
    91,863,031.40/126,685,829.66 = 67,043,905.64/x
  3. Step 3: Cross multiply
    91,863,031.40x = 126,685,829.66 × 67,043,905.64
  4. Step 4: Simplify right side
    91,863,031.40x = 8,493,512,809,722,428
  5. Step 5: Solve for x
    x = 8,493,512,809,722,428/91,863,031.40
  6. Step 6: Final answer
    x = 92,458,442.54

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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.