Home / 137,086,228.71-205,621,774.12-100,235,881.42

Finding the Fourth Proportional to 137,086,228.71, 205,621,774.12 and 100,235,881.42

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Solution

The fourth proportional to 137,086,228.71, 205,621,774.12 and 100,235,881.42 is: 150,348,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,086,228.71 : 205,621,774.12 = 100,235,881.42 : x
  2. Step 2: Convert to fraction form
    137,086,228.71/205,621,774.12 = 100,235,881.42/x
  3. Step 3: Cross multiply
    137,086,228.71x = 205,621,774.12 × 100,235,881.42
  4. Step 4: Simplify right side
    137,086,228.71x = 20,610,679,767,673,588
  5. Step 5: Solve for x
    x = 20,610,679,767,673,588/137,086,228.71
  6. Step 6: Final answer
    x = 150,348,287.80

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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.