Home / 217,609,848.30-326,414,772.45-152,986,622.70

Finding the Fourth Proportional to 217,609,848.30, 326,414,772.45 and 152,986,622.70

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Solution

The fourth proportional to 217,609,848.30, 326,414,772.45 and 152,986,622.70 is: 229,479,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,609,848.30 : 326,414,772.45 = 152,986,622.70 : x
  2. Step 2: Convert to fraction form
    217,609,848.30/326,414,772.45 = 152,986,622.70/x
  3. Step 3: Cross multiply
    217,609,848.30x = 326,414,772.45 × 152,986,622.70
  4. Step 4: Simplify right side
    217,609,848.30x = 49,937,093,636,514,496
  5. Step 5: Solve for x
    x = 49,937,093,636,514,496/217,609,848.30
  6. Step 6: Final answer
    x = 229,479,934.05

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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.