Home / 121,418,982.10-182,128,473.15-30,542,571.10

Finding the Fourth Proportional to 121,418,982.10, 182,128,473.15 and 30,542,571.10

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Solution

The fourth proportional to 121,418,982.10, 182,128,473.15 and 30,542,571.10 is: 45,813,856.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,418,982.10 : 182,128,473.15 = 30,542,571.10 : x
  2. Step 2: Convert to fraction form
    121,418,982.10/182,128,473.15 = 30,542,571.10/x
  3. Step 3: Cross multiply
    121,418,982.10x = 182,128,473.15 × 30,542,571.10
  4. Step 4: Simplify right side
    121,418,982.10x = 5,562,671,840,518,316
  5. Step 5: Solve for x
    x = 5,562,671,840,518,316/121,418,982.10
  6. Step 6: Final answer
    x = 45,813,856.65

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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.