Home / 140,869,145-194,317,059.66-88,575,389.48

Finding the Fourth Proportional to 140,869,145, 194,317,059.66 and 88,575,389.48

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Solution

The fourth proportional to 140,869,145, 194,317,059.66 and 88,575,389.48 is: 122,182,251.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,869,145 : 194,317,059.66 = 88,575,389.48 : x
  2. Step 2: Convert to fraction form
    140,869,145/194,317,059.66 = 88,575,389.48/x
  3. Step 3: Cross multiply
    140,869,145x = 194,317,059.66 × 88,575,389.48
  4. Step 4: Simplify right side
    140,869,145x = 17,211,709,241,992,896
  5. Step 5: Solve for x
    x = 17,211,709,241,992,896/140,869,145
  6. Step 6: Final answer
    x = 122,182,251.07

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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.