Home / 147,748,661.44-203,913,406.74-85,023,469.96

Finding the Fourth Proportional to 147,748,661.44, 203,913,406.74 and 85,023,469.96

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Solution

The fourth proportional to 147,748,661.44, 203,913,406.74 and 85,023,469.96 is: 117,344,043.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,748,661.44 : 203,913,406.74 = 85,023,469.96 : x
  2. Step 2: Convert to fraction form
    147,748,661.44/203,913,406.74 = 85,023,469.96/x
  3. Step 3: Cross multiply
    147,748,661.44x = 203,913,406.74 × 85,023,469.96
  4. Step 4: Simplify right side
    147,748,661.44x = 17,337,425,412,399,652
  5. Step 5: Solve for x
    x = 17,337,425,412,399,652/147,748,661.44
  6. Step 6: Final answer
    x = 117,344,043.89

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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.