Home / 68,539,641.14-102,808,134.95-16,724,581.04

Finding the Fourth Proportional to 68,539,641.14, 102,808,134.95 and 16,724,581.04

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Solution

The fourth proportional to 68,539,641.14, 102,808,134.95 and 16,724,581.04 is: 25,086,547.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,539,641.14 : 102,808,134.95 = 16,724,581.04 : x
  2. Step 2: Convert to fraction form
    68,539,641.14/102,808,134.95 = 16,724,581.04/x
  3. Step 3: Cross multiply
    68,539,641.14x = 102,808,134.95 × 16,724,581.04
  4. Step 4: Simplify right side
    68,539,641.14x = 1,719,422,984,715,928.75
  5. Step 5: Solve for x
    x = 1,719,422,984,715,928.75/68,539,641.14
  6. Step 6: Final answer
    x = 25,086,547.81

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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.