Home / 100,809,986.10-151,214,979.15-29,006,402.10

Finding the Fourth Proportional to 100,809,986.10, 151,214,979.15 and 29,006,402.10

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Solution

The fourth proportional to 100,809,986.10, 151,214,979.15 and 29,006,402.10 is: 43,509,603.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,809,986.10 : 151,214,979.15 = 29,006,402.10 : x
  2. Step 2: Convert to fraction form
    100,809,986.10/151,214,979.15 = 29,006,402.10/x
  3. Step 3: Cross multiply
    100,809,986.10x = 151,214,979.15 × 29,006,402.10
  4. Step 4: Simplify right side
    100,809,986.10x = 4,386,202,488,768,016.50
  5. Step 5: Solve for x
    x = 4,386,202,488,768,016.50/100,809,986.10
  6. Step 6: Final answer
    x = 43,509,603.15

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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.