Home / 217,518,551.33-326,274,625.38-53,756,298.90

Finding the Fourth Proportional to 217,518,551.33, 326,274,625.38 and 53,756,298.90

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Solution

The fourth proportional to 217,518,551.33, 326,274,625.38 and 53,756,298.90 is: 80,633,657.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,518,551.33 : 326,274,625.38 = 53,756,298.90 : x
  2. Step 2: Convert to fraction form
    217,518,551.33/326,274,625.38 = 53,756,298.90/x
  3. Step 3: Cross multiply
    217,518,551.33x = 326,274,625.38 × 53,756,298.90
  4. Step 4: Simplify right side
    217,518,551.33x = 17,539,316,285,412,806
  5. Step 5: Solve for x
    x = 17,539,316,285,412,806/217,518,551.33
  6. Step 6: Final answer
    x = 80,633,657.12

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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.