Home / 68,001,696.50-102,002,482.42-21,315,518.04

Finding the Fourth Proportional to 68,001,696.50, 102,002,482.42 and 21,315,518.04

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Solution

The fourth proportional to 68,001,696.50, 102,002,482.42 and 21,315,518.04 is: 31,973,257.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,001,696.50 : 102,002,482.42 = 21,315,518.04 : x
  2. Step 2: Convert to fraction form
    68,001,696.50/102,002,482.42 = 21,315,518.04/x
  3. Step 3: Cross multiply
    68,001,696.50x = 102,002,482.42 × 21,315,518.04
  4. Step 4: Simplify right side
    68,001,696.50x = 2,174,235,754,148,292.75
  5. Step 5: Solve for x
    x = 2,174,235,754,148,292.75/68,001,696.50
  6. Step 6: Final answer
    x = 31,973,257.52

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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.