Home / 66,032,155.80-99,071,853.30-27,705,418.20

Finding the Fourth Proportional to 66,032,155.80, 99,071,853.30 and 27,705,418.20

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Solution

The fourth proportional to 66,032,155.80, 99,071,853.30 and 27,705,418.20 is: 41,568,037.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,032,155.80 : 99,071,853.30 = 27,705,418.20 : x
  2. Step 2: Convert to fraction form
    66,032,155.80/99,071,853.30 = 27,705,418.20/x
  3. Step 3: Cross multiply
    66,032,155.80x = 99,071,853.30 × 27,705,418.20
  4. Step 4: Simplify right side
    66,032,155.80x = 2,744,827,127,525,550
  5. Step 5: Solve for x
    x = 2,744,827,127,525,550/66,032,155.80
  6. Step 6: Final answer
    x = 41,568,037.49

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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.