Home / 105,013,122.90-157,519,684.38-28,336,028.10

Finding the Fourth Proportional to 105,013,122.90, 157,519,684.38 and 28,336,028.10

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Solution

The fourth proportional to 105,013,122.90, 157,519,684.38 and 28,336,028.10 is: 42,504,042.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,013,122.90 : 157,519,684.38 = 28,336,028.10 : x
  2. Step 2: Convert to fraction form
    105,013,122.90/157,519,684.38 = 28,336,028.10/x
  3. Step 3: Cross multiply
    105,013,122.90x = 157,519,684.38 × 28,336,028.10
  4. Step 4: Simplify right side
    105,013,122.90x = 4,463,482,202,894,811
  5. Step 5: Solve for x
    x = 4,463,482,202,894,811/105,013,122.90
  6. Step 6: Final answer
    x = 42,504,042.16

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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.