Home / 280,854,116.10-421,113,212.55-144,805,220.10

Finding the Fourth Proportional to 280,854,116.10, 421,113,212.55 and 144,805,220.10

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Solution

The fourth proportional to 280,854,116.10, 421,113,212.55 and 144,805,220.10 is: 217,121,231.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,854,116.10 : 421,113,212.55 = 144,805,220.10 : x
  2. Step 2: Convert to fraction form
    280,854,116.10/421,113,212.55 = 144,805,220.10/x
  3. Step 3: Cross multiply
    280,854,116.10x = 421,113,212.55 × 144,805,220.10
  4. Step 4: Simplify right side
    280,854,116.10x = 60,979,391,430,320,832
  5. Step 5: Solve for x
    x = 60,979,391,430,320,832/280,854,116.10
  6. Step 6: Final answer
    x = 217,121,231.04

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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.