Home / 212,284,154.88-318,428,004.60-58,942,169.28

Finding the Fourth Proportional to 212,284,154.88, 318,428,004.60 and 58,942,169.28

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Solution

The fourth proportional to 212,284,154.88, 318,428,004.60 and 58,942,169.28 is: 88,413,746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,284,154.88 : 318,428,004.60 = 58,942,169.28 : x
  2. Step 2: Convert to fraction form
    212,284,154.88/318,428,004.60 = 58,942,169.28/x
  3. Step 3: Cross multiply
    212,284,154.88x = 318,428,004.60 × 58,942,169.28
  4. Step 4: Simplify right side
    212,284,154.88x = 18,768,837,350,625,820
  5. Step 5: Solve for x
    x = 18,768,837,350,625,820/212,284,154.88
  6. Step 6: Final answer
    x = 88,413,746.01

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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.