Home / 66,194,269.59-99,305,767.91-20,134,941.51

Finding the Fourth Proportional to 66,194,269.59, 99,305,767.91 and 20,134,941.51

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Solution

The fourth proportional to 66,194,269.59, 99,305,767.91 and 20,134,941.51 is: 30,206,781.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,194,269.59 : 99,305,767.91 = 20,134,941.51 : x
  2. Step 2: Convert to fraction form
    66,194,269.59/99,305,767.91 = 20,134,941.51/x
  3. Step 3: Cross multiply
    66,194,269.59x = 99,305,767.91 × 20,134,941.51
  4. Step 4: Simplify right side
    66,194,269.59x = 1,999,515,828,027,293.25
  5. Step 5: Solve for x
    x = 1,999,515,828,027,293.25/66,194,269.59
  6. Step 6: Final answer
    x = 30,206,781.35

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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.