Home / 105,013,127.87-157,519,691.80-28,336,033.07

Finding the Fourth Proportional to 105,013,127.87, 157,519,691.80 and 28,336,033.07

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Solution

The fourth proportional to 105,013,127.87, 157,519,691.80 and 28,336,033.07 is: 42,504,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,013,127.87 : 157,519,691.80 = 28,336,033.07 : x
  2. Step 2: Convert to fraction form
    105,013,127.87/157,519,691.80 = 28,336,033.07/x
  3. Step 3: Cross multiply
    105,013,127.87x = 157,519,691.80 × 28,336,033.07
  4. Step 4: Simplify right side
    105,013,127.87x = 4,463,483,195,912,800.50
  5. Step 5: Solve for x
    x = 4,463,483,195,912,800.50/105,013,127.87
  6. Step 6: Final answer
    x = 42,504,049.60

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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.