Home / 197,608,038.64-272,700,718-109,503,507.66

Finding the Fourth Proportional to 197,608,038.64, 272,700,718 and 109,503,507.66

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Solution

The fourth proportional to 197,608,038.64, 272,700,718 and 109,503,507.66 is: 151,115,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,608,038.64 : 272,700,718 = 109,503,507.66 : x
  2. Step 2: Convert to fraction form
    197,608,038.64/272,700,718 = 109,503,507.66/x
  3. Step 3: Cross multiply
    197,608,038.64x = 272,700,718 × 109,503,507.66
  4. Step 4: Simplify right side
    197,608,038.64x = 29,861,685,162,400,500
  5. Step 5: Solve for x
    x = 29,861,685,162,400,500/197,608,038.64
  6. Step 6: Final answer
    x = 151,115,740.88

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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.