Home / 91,487,557.41-126,252,829.89-50,234,449.80

Finding the Fourth Proportional to 91,487,557.41, 126,252,829.89 and 50,234,449.80

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Solution

The fourth proportional to 91,487,557.41, 126,252,829.89 and 50,234,449.80 is: 69,323,541.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,487,557.41 : 126,252,829.89 = 50,234,449.80 : x
  2. Step 2: Convert to fraction form
    91,487,557.41/126,252,829.89 = 50,234,449.80/x
  3. Step 3: Cross multiply
    91,487,557.41x = 126,252,829.89 × 50,234,449.80
  4. Step 4: Simplify right side
    91,487,557.41x = 6,342,241,445,217,144
  5. Step 5: Solve for x
    x = 6,342,241,445,217,144/91,487,557.41
  6. Step 6: Final answer
    x = 69,323,541.09

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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.