Home / 154,557,002.40-231,835,503.60-82,893,386.40

Finding the Fourth Proportional to 154,557,002.40, 231,835,503.60 and 82,893,386.40

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Solution

The fourth proportional to 154,557,002.40, 231,835,503.60 and 82,893,386.40 is: 124,340,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,557,002.40 : 231,835,503.60 = 82,893,386.40 : x
  2. Step 2: Convert to fraction form
    154,557,002.40/231,835,503.60 = 82,893,386.40/x
  3. Step 3: Cross multiply
    154,557,002.40x = 231,835,503.60 × 82,893,386.40
  4. Step 4: Simplify right side
    154,557,002.40x = 19,217,629,981,153,392
  5. Step 5: Solve for x
    x = 19,217,629,981,153,392/154,557,002.40
  6. Step 6: Final answer
    x = 124,340,079.60

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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.