Home / 49,374,088.12-74,061,378.42-20,243,838.40

Finding the Fourth Proportional to 49,374,088.12, 74,061,378.42 and 20,243,838.40

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Solution

The fourth proportional to 49,374,088.12, 74,061,378.42 and 20,243,838.40 is: 30,365,858.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,374,088.12 : 74,061,378.42 = 20,243,838.40 : x
  2. Step 2: Convert to fraction form
    49,374,088.12/74,061,378.42 = 20,243,838.40/x
  3. Step 3: Cross multiply
    49,374,088.12x = 74,061,378.42 × 20,243,838.40
  4. Step 4: Simplify right side
    49,374,088.12x = 1,499,286,576,415,727.25
  5. Step 5: Solve for x
    x = 1,499,286,576,415,727.25/49,374,088.12
  6. Step 6: Final answer
    x = 30,365,858.56

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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.