Home / 207,755,067.20-286,677,062.72-119,677,870.40

Finding the Fourth Proportional to 207,755,067.20, 286,677,062.72 and 119,677,870.40

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Solution

The fourth proportional to 207,755,067.20, 286,677,062.72 and 119,677,870.40 is: 165,141,100.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,755,067.20 : 286,677,062.72 = 119,677,870.40 : x
  2. Step 2: Convert to fraction form
    207,755,067.20/286,677,062.72 = 119,677,870.40/x
  3. Step 3: Cross multiply
    207,755,067.20x = 286,677,062.72 × 119,677,870.40
  4. Step 4: Simplify right side
    207,755,067.20x = 34,308,900,358,856,836
  5. Step 5: Solve for x
    x = 34,308,900,358,856,836/207,755,067.20
  6. Step 6: Final answer
    x = 165,141,100.15

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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.