Home / 101,997,099.16-140,751,888.78-55,586,354.20

Finding the Fourth Proportional to 101,997,099.16, 140,751,888.78 and 55,586,354.20

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Solution

The fourth proportional to 101,997,099.16, 140,751,888.78 and 55,586,354.20 is: 76,706,929.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,997,099.16 : 140,751,888.78 = 55,586,354.20 : x
  2. Step 2: Convert to fraction form
    101,997,099.16/140,751,888.78 = 55,586,354.20/x
  3. Step 3: Cross multiply
    101,997,099.16x = 140,751,888.78 × 55,586,354.20
  4. Step 4: Simplify right side
    101,997,099.16x = 7,823,884,344,044,086
  5. Step 5: Solve for x
    x = 7,823,884,344,044,086/101,997,099.16
  6. Step 6: Final answer
    x = 76,706,929.99

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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.