Home / 49,841,431.10-74,709,002.55-19,124,141.30

Finding the Fourth Proportional to 49,841,431.10, 74,709,002.55 and 19,124,141.30

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Solution

The fourth proportional to 49,841,431.10, 74,709,002.55 and 19,124,141.30 is: 28,665,820.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,841,431.10 : 74,709,002.55 = 19,124,141.30 : x
  2. Step 2: Convert to fraction form
    49,841,431.10/74,709,002.55 = 19,124,141.30/x
  3. Step 3: Cross multiply
    49,841,431.10x = 74,709,002.55 × 19,124,141.30
  4. Step 4: Simplify right side
    49,841,431.10x = 1,428,745,521,148,260.25
  5. Step 5: Solve for x
    x = 1,428,745,521,148,260.25/49,841,431.10
  6. Step 6: Final answer
    x = 28,665,820.58

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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.