Home / 70,942,247.43-97,900,258.15-38,347,199.43

Finding the Fourth Proportional to 70,942,247.43, 97,900,258.15 and 38,347,199.43

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Solution

The fourth proportional to 70,942,247.43, 97,900,258.15 and 38,347,199.43 is: 52,919,111.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,942,247.43 : 97,900,258.15 = 38,347,199.43 : x
  2. Step 2: Convert to fraction form
    70,942,247.43/97,900,258.15 = 38,347,199.43/x
  3. Step 3: Cross multiply
    70,942,247.43x = 97,900,258.15 × 38,347,199.43
  4. Step 4: Simplify right side
    70,942,247.43x = 3,754,200,722,845,295
  5. Step 5: Solve for x
    x = 3,754,200,722,845,295/70,942,247.43
  6. Step 6: Final answer
    x = 52,919,111.80

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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.