Home / 147,748,662.44-203,913,408.12-85,023,470.96

Finding the Fourth Proportional to 147,748,662.44, 203,913,408.12 and 85,023,470.96

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Solution

The fourth proportional to 147,748,662.44, 203,913,408.12 and 85,023,470.96 is: 117,344,045.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,748,662.44 : 203,913,408.12 = 85,023,470.96 : x
  2. Step 2: Convert to fraction form
    147,748,662.44/203,913,408.12 = 85,023,470.96/x
  3. Step 3: Cross multiply
    147,748,662.44x = 203,913,408.12 × 85,023,470.96
  4. Step 4: Simplify right side
    147,748,662.44x = 17,337,425,733,645,448
  5. Step 5: Solve for x
    x = 17,337,425,733,645,448/147,748,662.44
  6. Step 6: Final answer
    x = 117,344,045.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.