Home / 499,281,001.56-748,899,982.26-130,807,827.72

Finding the Fourth Proportional to 499,281,001.56, 748,899,982.26 and 130,807,827.72

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Solution

The fourth proportional to 499,281,001.56, 748,899,982.26 and 130,807,827.72 is: 196,206,103.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,281,001.56 : 748,899,982.26 = 130,807,827.72 : x
  2. Step 2: Convert to fraction form
    499,281,001.56/748,899,982.26 = 130,807,827.72/x
  3. Step 3: Cross multiply
    499,281,001.56x = 748,899,982.26 × 130,807,827.72
  4. Step 4: Simplify right side
    499,281,001.56x = 97,961,979,858,977,136
  5. Step 5: Solve for x
    x = 97,961,979,858,977,136/499,281,001.56
  6. Step 6: Final answer
    x = 196,206,103.48

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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.