Home / 68,686,513.40-103,096,125.30-41,812,657.40

Finding the Fourth Proportional to 68,686,513.40, 103,096,125.30 and 41,812,657.40

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Solution

The fourth proportional to 68,686,513.40, 103,096,125.30 and 41,812,657.40 is: 62,759,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,686,513.40 : 103,096,125.30 = 41,812,657.40 : x
  2. Step 2: Convert to fraction form
    68,686,513.40/103,096,125.30 = 41,812,657.40/x
  3. Step 3: Cross multiply
    68,686,513.40x = 103,096,125.30 × 41,812,657.40
  4. Step 4: Simplify right side
    68,686,513.40x = 4,310,722,966,436,372
  5. Step 5: Solve for x
    x = 4,310,722,966,436,372/68,686,513.40
  6. Step 6: Final answer
    x = 62,759,379.58

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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.