Home / 286,654,677,455.20-429,982,016,182.80-87,906,388,021.60

Finding the Fourth Proportional to 286,654,677,455.20, 429,982,016,182.80 and 87,906,388,021.60

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Solution

The fourth proportional to 286,654,677,455.20, 429,982,016,182.80 and 87,906,388,021.60 is: 131,859,582,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,654,677,455.20 : 429,982,016,182.80 = 87,906,388,021.60 : x
  2. Step 2: Convert to fraction form
    286,654,677,455.20/429,982,016,182.80 = 87,906,388,021.60/x
  3. Step 3: Cross multiply
    286,654,677,455.20x = 429,982,016,182.80 × 87,906,388,021.60
  4. Step 4: Simplify right side
    286,654,677,455.20x = 37,798,165,956,875,104,813,056
  5. Step 5: Solve for x
    x = 37,798,165,956,875,104,813,056/286,654,677,455.20
  6. Step 6: Final answer
    x = 131,859,582,032.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.