Home / 135,768,001-187,327,167.60-80,015,641.06

Finding the Fourth Proportional to 135,768,001, 187,327,167.60 and 80,015,641.06

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Solution

The fourth proportional to 135,768,001, 187,327,167.60 and 80,015,641.06 is: 110,402,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,768,001 : 187,327,167.60 = 80,015,641.06 : x
  2. Step 2: Convert to fraction form
    135,768,001/187,327,167.60 = 80,015,641.06/x
  3. Step 3: Cross multiply
    135,768,001x = 187,327,167.60 × 80,015,641.06
  4. Step 4: Simplify right side
    135,768,001x = 14,989,103,403,468,062
  5. Step 5: Solve for x
    x = 14,989,103,403,468,062/135,768,001
  6. Step 6: Final answer
    x = 110,402,328.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.