Home / 92,818,268.16-138,546,081.30-85,978,032

Finding the Fourth Proportional to 92,818,268.16, 138,546,081.30 and 85,978,032

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Solution

The fourth proportional to 92,818,268.16, 138,546,081.30 and 85,978,032 is: 128,335,936.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,818,268.16 : 138,546,081.30 = 85,978,032 : x
  2. Step 2: Convert to fraction form
    92,818,268.16/138,546,081.30 = 85,978,032/x
  3. Step 3: Cross multiply
    92,818,268.16x = 138,546,081.30 × 85,978,032
  4. Step 4: Simplify right side
    92,818,268.16x = 11,911,919,411,486,002
  5. Step 5: Solve for x
    x = 11,911,919,411,486,002/92,818,268.16
  6. Step 6: Final answer
    x = 128,335,936.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.