Home / 82,952,087.90-124,428,131.85-74,889,931.10

Finding the Fourth Proportional to 82,952,087.90, 124,428,131.85 and 74,889,931.10

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Solution

The fourth proportional to 82,952,087.90, 124,428,131.85 and 74,889,931.10 is: 112,334,896.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,952,087.90 : 124,428,131.85 = 74,889,931.10 : x
  2. Step 2: Convert to fraction form
    82,952,087.90/124,428,131.85 = 74,889,931.10/x
  3. Step 3: Cross multiply
    82,952,087.90x = 124,428,131.85 × 74,889,931.10
  4. Step 4: Simplify right side
    82,952,087.90x = 9,318,414,221,148,214
  5. Step 5: Solve for x
    x = 9,318,414,221,148,214/82,952,087.90
  6. Step 6: Final answer
    x = 112,334,896.65

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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.