Home / 212,253,924.43-318,526,318.56-74,079,531.50

Finding the Fourth Proportional to 212,253,924.43, 318,526,318.56 and 74,079,531.50

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Solution

The fourth proportional to 212,253,924.43, 318,526,318.56 and 74,079,531.50 is: 111,170,054.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,253,924.43 : 318,526,318.56 = 74,079,531.50 : x
  2. Step 2: Convert to fraction form
    212,253,924.43/318,526,318.56 = 74,079,531.50/x
  3. Step 3: Cross multiply
    212,253,924.43x = 318,526,318.56 × 74,079,531.50
  4. Step 4: Simplify right side
    212,253,924.43x = 23,596,280,448,646,984
  5. Step 5: Solve for x
    x = 23,596,280,448,646,984/212,253,924.43
  6. Step 6: Final answer
    x = 111,170,054.98

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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.