Home / 66,105,423.72-91,225,138.68-36,336,756.24

Finding the Fourth Proportional to 66,105,423.72, 91,225,138.68 and 36,336,756.24

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Solution

The fourth proportional to 66,105,423.72, 91,225,138.68 and 36,336,756.24 is: 50,144,533.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,105,423.72 : 91,225,138.68 = 36,336,756.24 : x
  2. Step 2: Convert to fraction form
    66,105,423.72/91,225,138.68 = 36,336,756.24/x
  3. Step 3: Cross multiply
    66,105,423.72x = 91,225,138.68 × 36,336,756.24
  4. Step 4: Simplify right side
    66,105,423.72x = 3,314,825,627,175,356
  5. Step 5: Solve for x
    x = 3,314,825,627,175,356/66,105,423.72
  6. Step 6: Final answer
    x = 50,144,533.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.