Home / 216,537,538.56-324,676,590.32-68,921,337.12

Finding the Fourth Proportional to 216,537,538.56, 324,676,590.32 and 68,921,337.12

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Solution

The fourth proportional to 216,537,538.56, 324,676,590.32 and 68,921,337.12 is: 103,340,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,537,538.56 : 324,676,590.32 = 68,921,337.12 : x
  2. Step 2: Convert to fraction form
    216,537,538.56/324,676,590.32 = 68,921,337.12/x
  3. Step 3: Cross multiply
    216,537,538.56x = 324,676,590.32 × 68,921,337.12
  4. Step 4: Simplify right side
    216,537,538.56x = 22,377,144,736,416,848
  5. Step 5: Solve for x
    x = 22,377,144,736,416,848/216,537,538.56
  6. Step 6: Final answer
    x = 103,340,718.13

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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.