Home / 217,747,269.40-326,613,905.70-72,187,547.80

Finding the Fourth Proportional to 217,747,269.40, 326,613,905.70 and 72,187,547.80

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Solution

The fourth proportional to 217,747,269.40, 326,613,905.70 and 72,187,547.80 is: 108,279,001.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,747,269.40 : 326,613,905.70 = 72,187,547.80 : x
  2. Step 2: Convert to fraction form
    217,747,269.40/326,613,905.70 = 72,187,547.80/x
  3. Step 3: Cross multiply
    217,747,269.40x = 326,613,905.70 × 72,187,547.80
  4. Step 4: Simplify right side
    217,747,269.40x = 23,577,456,929,863,440
  5. Step 5: Solve for x
    x = 23,577,456,929,863,440/217,747,269.40
  6. Step 6: Final answer
    x = 108,279,001.59

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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.