Home / 82,952,079.40-124,428,119.10-74,889,922.60

Finding the Fourth Proportional to 82,952,079.40, 124,428,119.10 and 74,889,922.60

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Solution

The fourth proportional to 82,952,079.40, 124,428,119.10 and 74,889,922.60 is: 112,334,883.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,952,079.40 : 124,428,119.10 = 74,889,922.60 : x
  2. Step 2: Convert to fraction form
    82,952,079.40/124,428,119.10 = 74,889,922.60/x
  3. Step 3: Cross multiply
    82,952,079.40x = 124,428,119.10 × 74,889,922.60
  4. Step 4: Simplify right side
    82,952,079.40x = 9,318,412,208,662,580
  5. Step 5: Solve for x
    x = 9,318,412,208,662,580/82,952,079.40
  6. Step 6: Final answer
    x = 112,334,883.90

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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.