Home / 91,765,113.24-126,639,197.15-49,947,156.96

Finding the Fourth Proportional to 91,765,113.24, 126,639,197.15 and 49,947,156.96

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Solution

The fourth proportional to 91,765,113.24, 126,639,197.15 and 49,947,156.96 is: 68,928,895.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,765,113.24 : 126,639,197.15 = 49,947,156.96 : x
  2. Step 2: Convert to fraction form
    91,765,113.24/126,639,197.15 = 49,947,156.96/x
  3. Step 3: Cross multiply
    91,765,113.24x = 126,639,197.15 × 49,947,156.96
  4. Step 4: Simplify right side
    91,765,113.24x = 6,325,267,857,089,699
  5. Step 5: Solve for x
    x = 6,325,267,857,089,699/91,765,113.24
  6. Step 6: Final answer
    x = 68,928,895.02

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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.