Home / 197,199,378.74-272,126,967.24-107,890,884.74

Finding the Fourth Proportional to 197,199,378.74, 272,126,967.24 and 107,890,884.74

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Solution

The fourth proportional to 197,199,378.74, 272,126,967.24 and 107,890,884.74 is: 148,884,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,199,378.74 : 272,126,967.24 = 107,890,884.74 : x
  2. Step 2: Convert to fraction form
    197,199,378.74/272,126,967.24 = 107,890,884.74/x
  3. Step 3: Cross multiply
    197,199,378.74x = 272,126,967.24 × 107,890,884.74
  4. Step 4: Simplify right side
    197,199,378.74x = 29,360,019,257,136,596
  5. Step 5: Solve for x
    x = 29,360,019,257,136,596/197,199,378.74
  6. Step 6: Final answer
    x = 148,884,948.04

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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.