Home / 82,952,080.40-124,428,120.60-74,889,923.60

Finding the Fourth Proportional to 82,952,080.40, 124,428,120.60 and 74,889,923.60

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Solution

The fourth proportional to 82,952,080.40, 124,428,120.60 and 74,889,923.60 is: 112,334,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,952,080.40 : 124,428,120.60 = 74,889,923.60 : x
  2. Step 2: Convert to fraction form
    82,952,080.40/124,428,120.60 = 74,889,923.60/x
  3. Step 3: Cross multiply
    82,952,080.40x = 124,428,120.60 × 74,889,923.60
  4. Step 4: Simplify right side
    82,952,080.40x = 9,318,412,445,425,584
  5. Step 5: Solve for x
    x = 9,318,412,445,425,584/82,952,080.40
  6. Step 6: Final answer
    x = 112,334,885.40

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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.