Home / 154,074,443.35-212,600,030.79-93,692,633.61

Finding the Fourth Proportional to 154,074,443.35, 212,600,030.79 and 93,692,633.61

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Solution

The fourth proportional to 154,074,443.35, 212,600,030.79 and 93,692,633.61 is: 129,282,029.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,074,443.35 : 212,600,030.79 = 93,692,633.61 : x
  2. Step 2: Convert to fraction form
    154,074,443.35/212,600,030.79 = 93,692,633.61/x
  3. Step 3: Cross multiply
    154,074,443.35x = 212,600,030.79 × 93,692,633.61
  4. Step 4: Simplify right side
    154,074,443.35x = 19,919,056,789,109,380
  5. Step 5: Solve for x
    x = 19,919,056,789,109,380/154,074,443.35
  6. Step 6: Final answer
    x = 129,282,029.88

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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.