Home / 91,739,138.10-126,600,031.45-50,486,030.48

Finding the Fourth Proportional to 91,739,138.10, 126,600,031.45 and 50,486,030.48

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Solution

The fourth proportional to 91,739,138.10, 126,600,031.45 and 50,486,030.48 is: 69,670,733.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,739,138.10 : 126,600,031.45 = 50,486,030.48 : x
  2. Step 2: Convert to fraction form
    91,739,138.10/126,600,031.45 = 50,486,030.48/x
  3. Step 3: Cross multiply
    91,739,138.10x = 126,600,031.45 × 50,486,030.48
  4. Step 4: Simplify right side
    91,739,138.10x = 6,391,533,046,553,658
  5. Step 5: Solve for x
    x = 6,391,533,046,553,658/91,739,138.10
  6. Step 6: Final answer
    x = 69,670,733.55

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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.