Home / 105,013,129.37-157,519,694.06-28,336,034.57

Finding the Fourth Proportional to 105,013,129.37, 157,519,694.06 and 28,336,034.57

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Solution

The fourth proportional to 105,013,129.37, 157,519,694.06 and 28,336,034.57 is: 42,504,051.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,013,129.37 : 157,519,694.06 = 28,336,034.57 : x
  2. Step 2: Convert to fraction form
    105,013,129.37/157,519,694.06 = 28,336,034.57/x
  3. Step 3: Cross multiply
    105,013,129.37x = 157,519,694.06 × 28,336,034.57
  4. Step 4: Simplify right side
    105,013,129.37x = 4,463,483,495,410,705.50
  5. Step 5: Solve for x
    x = 4,463,483,495,410,705.50/105,013,129.37
  6. Step 6: Final answer
    x = 42,504,051.85

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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.