Home / 197,472,585.46-272,258,944.04-153,344,718.58

Finding the Fourth Proportional to 197,472,585.46, 272,258,944.04 and 153,344,718.58

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Solution

The fourth proportional to 197,472,585.46, 272,258,944.04 and 153,344,718.58 is: 211,419,073.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,472,585.46 : 272,258,944.04 = 153,344,718.58 : x
  2. Step 2: Convert to fraction form
    197,472,585.46/272,258,944.04 = 153,344,718.58/x
  3. Step 3: Cross multiply
    197,472,585.46x = 272,258,944.04 × 153,344,718.58
  4. Step 4: Simplify right side
    197,472,585.46x = 41,749,471,154,701,776
  5. Step 5: Solve for x
    x = 41,749,471,154,701,776/197,472,585.46
  6. Step 6: Final answer
    x = 211,419,073.98

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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.