Home / 98,286,344.40-147,447,231.30-40,784,428.20

Finding the Fourth Proportional to 98,286,344.40, 147,447,231.30 and 40,784,428.20

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Solution

The fourth proportional to 98,286,344.40, 147,447,231.30 and 40,784,428.20 is: 61,183,993.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,286,344.40 : 147,447,231.30 = 40,784,428.20 : x
  2. Step 2: Convert to fraction form
    98,286,344.40/147,447,231.30 = 40,784,428.20/x
  3. Step 3: Cross multiply
    98,286,344.40x = 147,447,231.30 × 40,784,428.20
  4. Step 4: Simplify right side
    98,286,344.40x = 6,013,551,018,243,644
  5. Step 5: Solve for x
    x = 6,013,551,018,243,644/98,286,344.40
  6. Step 6: Final answer
    x = 61,183,993.11

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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.