Home / 142,637,712.20-213,956,568.30-34,932,336.20

Finding the Fourth Proportional to 142,637,712.20, 213,956,568.30 and 34,932,336.20

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Solution

The fourth proportional to 142,637,712.20, 213,956,568.30 and 34,932,336.20 is: 52,398,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,637,712.20 : 213,956,568.30 = 34,932,336.20 : x
  2. Step 2: Convert to fraction form
    142,637,712.20/213,956,568.30 = 34,932,336.20/x
  3. Step 3: Cross multiply
    142,637,712.20x = 213,956,568.30 × 34,932,336.20
  4. Step 4: Simplify right side
    142,637,712.20x = 7,474,002,776,053,864
  5. Step 5: Solve for x
    x = 7,474,002,776,053,864/142,637,712.20
  6. Step 6: Final answer
    x = 52,398,504.30

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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.