Home / 82,945,771.40-124,418,657.10-74,883,614.60

Finding the Fourth Proportional to 82,945,771.40, 124,418,657.10 and 74,883,614.60

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Solution

The fourth proportional to 82,945,771.40, 124,418,657.10 and 74,883,614.60 is: 112,325,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,945,771.40 : 124,418,657.10 = 74,883,614.60 : x
  2. Step 2: Convert to fraction form
    82,945,771.40/124,418,657.10 = 74,883,614.60/x
  3. Step 3: Cross multiply
    82,945,771.40x = 124,418,657.10 × 74,883,614.60
  4. Step 4: Simplify right side
    82,945,771.40x = 9,316,918,767,325,952
  5. Step 5: Solve for x
    x = 9,316,918,767,325,952/82,945,771.40
  6. Step 6: Final answer
    x = 112,325,421.90

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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.