Home / 91,808,168.55-137,787,540.30-91,090,723.20

Finding the Fourth Proportional to 91,808,168.55, 137,787,540.30 and 91,090,723.20

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Solution

The fourth proportional to 91,808,168.55, 137,787,540.30 and 91,090,723.20 is: 136,710,783.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,808,168.55 : 137,787,540.30 = 91,090,723.20 : x
  2. Step 2: Convert to fraction form
    91,808,168.55/137,787,540.30 = 91,090,723.20/x
  3. Step 3: Cross multiply
    91,808,168.55x = 137,787,540.30 × 91,090,723.20
  4. Step 4: Simplify right side
    91,808,168.55x = 12,551,166,693,876,146
  5. Step 5: Solve for x
    x = 12,551,166,693,876,146/91,808,168.55
  6. Step 6: Final answer
    x = 136,710,783.93

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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.