Home / 66,436,662.10-99,654,993.15-28,085,430.10

Finding the Fourth Proportional to 66,436,662.10, 99,654,993.15 and 28,085,430.10

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Solution

The fourth proportional to 66,436,662.10, 99,654,993.15 and 28,085,430.10 is: 42,128,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,436,662.10 : 99,654,993.15 = 28,085,430.10 : x
  2. Step 2: Convert to fraction form
    66,436,662.10/99,654,993.15 = 28,085,430.10/x
  3. Step 3: Cross multiply
    66,436,662.10x = 99,654,993.15 × 28,085,430.10
  4. Step 4: Simplify right side
    66,436,662.10x = 2,798,853,344,230,304
  5. Step 5: Solve for x
    x = 2,798,853,344,230,304/66,436,662.10
  6. Step 6: Final answer
    x = 42,128,145.15

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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.