Home / 88,271,842.39-121,832,007.81-58,449,890.76

Finding the Fourth Proportional to 88,271,842.39, 121,832,007.81 and 58,449,890.76

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Solution

The fourth proportional to 88,271,842.39, 121,832,007.81 and 58,449,890.76 is: 80,672,016.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,271,842.39 : 121,832,007.81 = 58,449,890.76 : x
  2. Step 2: Convert to fraction form
    88,271,842.39/121,832,007.81 = 58,449,890.76/x
  3. Step 3: Cross multiply
    88,271,842.39x = 121,832,007.81 × 58,449,890.76
  4. Step 4: Simplify right side
    88,271,842.39x = 7,121,067,547,565,967
  5. Step 5: Solve for x
    x = 7,121,067,547,565,967/88,271,842.39
  6. Step 6: Final answer
    x = 80,672,016.75

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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.