Home / 207,728,146.35-286,639,867.40-119,650,789.17

Finding the Fourth Proportional to 207,728,146.35, 286,639,867.40 and 119,650,789.17

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Solution

The fourth proportional to 207,728,146.35, 286,639,867.40 and 119,650,789.17 is: 165,103,703.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,728,146.35 : 286,639,867.40 = 119,650,789.17 : x
  2. Step 2: Convert to fraction form
    207,728,146.35/286,639,867.40 = 119,650,789.17/x
  3. Step 3: Cross multiply
    207,728,146.35x = 286,639,867.40 × 119,650,789.17
  4. Step 4: Simplify right side
    207,728,146.35x = 34,296,686,341,395,900
  5. Step 5: Solve for x
    x = 34,296,686,341,395,900/207,728,146.35
  6. Step 6: Final answer
    x = 165,103,703.78

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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.