Home / 91,390,825.14-137,081,191.73-66,823,926.95

Finding the Fourth Proportional to 91,390,825.14, 137,081,191.73 and 66,823,926.95

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Solution

The fourth proportional to 91,390,825.14, 137,081,191.73 and 66,823,926.95 is: 100,232,200.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,390,825.14 : 137,081,191.73 = 66,823,926.95 : x
  2. Step 2: Convert to fraction form
    91,390,825.14/137,081,191.73 = 66,823,926.95/x
  3. Step 3: Cross multiply
    91,390,825.14x = 137,081,191.73 × 66,823,926.95
  4. Step 4: Simplify right side
    91,390,825.14x = 9,160,303,541,364,938
  5. Step 5: Solve for x
    x = 9,160,303,541,364,938/91,390,825.14
  6. Step 6: Final answer
    x = 100,232,200.85

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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.