Home / 49,376,486.40-74,064,729.60-20,613,062.40

Finding the Fourth Proportional to 49,376,486.40, 74,064,729.60 and 20,613,062.40

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Solution

The fourth proportional to 49,376,486.40, 74,064,729.60 and 20,613,062.40 is: 30,919,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,376,486.40 : 74,064,729.60 = 20,613,062.40 : x
  2. Step 2: Convert to fraction form
    49,376,486.40/74,064,729.60 = 20,613,062.40/x
  3. Step 3: Cross multiply
    49,376,486.40x = 74,064,729.60 × 20,613,062.40
  4. Step 4: Simplify right side
    49,376,486.40x = 1,526,700,892,883,926.75
  5. Step 5: Solve for x
    x = 1,526,700,892,883,926.75/49,376,486.40
  6. Step 6: Final answer
    x = 30,919,593.60

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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.