Home / 91,730,205.41-126,586,081.82-49,912,859.93

Finding the Fourth Proportional to 91,730,205.41, 126,586,081.82 and 49,912,859.93

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Solution

The fourth proportional to 91,730,205.41, 126,586,081.82 and 49,912,859.93 is: 68,878,875.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,730,205.41 : 126,586,081.82 = 49,912,859.93 : x
  2. Step 2: Convert to fraction form
    91,730,205.41/126,586,081.82 = 49,912,859.93/x
  3. Step 3: Cross multiply
    91,730,205.41x = 126,586,081.82 × 49,912,859.93
  4. Step 4: Simplify right side
    91,730,205.41x = 6,318,273,370,719,615
  5. Step 5: Solve for x
    x = 6,318,273,370,719,615/91,730,205.41
  6. Step 6: Final answer
    x = 68,878,875.20

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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.