Home / 142,672,341.72-213,645,211.08-94,002,642.64

Finding the Fourth Proportional to 142,672,341.72, 213,645,211.08 and 94,002,642.64

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Solution

The fourth proportional to 142,672,341.72, 213,645,211.08 and 94,002,642.64 is: 140,764,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,672,341.72 : 213,645,211.08 = 94,002,642.64 : x
  2. Step 2: Convert to fraction form
    142,672,341.72/213,645,211.08 = 94,002,642.64/x
  3. Step 3: Cross multiply
    142,672,341.72x = 213,645,211.08 × 94,002,642.64
  4. Step 4: Simplify right side
    142,672,341.72x = 20,083,214,428,900,608
  5. Step 5: Solve for x
    x = 20,083,214,428,900,608/142,672,341.72
  6. Step 6: Final answer
    x = 140,764,595.20

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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.