Home / 91,818,008.40-137,727,012.60-31,233,734.40

Finding the Fourth Proportional to 91,818,008.40, 137,727,012.60 and 31,233,734.40

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Solution

The fourth proportional to 91,818,008.40, 137,727,012.60 and 31,233,734.40 is: 46,850,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,818,008.40 : 137,727,012.60 = 31,233,734.40 : x
  2. Step 2: Convert to fraction form
    91,818,008.40/137,727,012.60 = 31,233,734.40/x
  3. Step 3: Cross multiply
    91,818,008.40x = 137,727,012.60 × 31,233,734.40
  4. Step 4: Simplify right side
    91,818,008.40x = 4,301,728,931,253,853
  5. Step 5: Solve for x
    x = 4,301,728,931,253,853/91,818,008.40
  6. Step 6: Final answer
    x = 46,850,601.60

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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.