Home / 91,808,163.55-137,787,532.80-91,090,718.20

Finding the Fourth Proportional to 91,808,163.55, 137,787,532.80 and 91,090,718.20

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Solution

The fourth proportional to 91,808,163.55, 137,787,532.80 and 91,090,718.20 is: 136,710,776.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,808,163.55 : 137,787,532.80 = 91,090,718.20 : x
  2. Step 2: Convert to fraction form
    91,808,163.55/137,787,532.80 = 91,090,718.20/x
  3. Step 3: Cross multiply
    91,808,163.55x = 137,787,532.80 × 91,090,718.20
  4. Step 4: Simplify right side
    91,808,163.55x = 12,551,165,321,758,058
  5. Step 5: Solve for x
    x = 12,551,165,321,758,058/91,808,163.55
  6. Step 6: Final answer
    x = 136,710,776.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.