Home / 145,195,747.72-200,143,241.60-98,705,289.04

Finding the Fourth Proportional to 145,195,747.72, 200,143,241.60 and 98,705,289.04

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Solution

The fourth proportional to 145,195,747.72, 200,143,241.60 and 98,705,289.04 is: 136,059,056.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,195,747.72 : 200,143,241.60 = 98,705,289.04 : x
  2. Step 2: Convert to fraction form
    145,195,747.72/200,143,241.60 = 98,705,289.04/x
  3. Step 3: Cross multiply
    145,195,747.72x = 200,143,241.60 × 98,705,289.04
  4. Step 4: Simplify right side
    145,195,747.72x = 19,755,196,511,530,552
  5. Step 5: Solve for x
    x = 19,755,196,511,530,552/145,195,747.72
  6. Step 6: Final answer
    x = 136,059,056.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.