Home / 90,329,592.43-124,654,837.41-51,171,369.05

Finding the Fourth Proportional to 90,329,592.43, 124,654,837.41 and 51,171,369.05

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Solution

The fourth proportional to 90,329,592.43, 124,654,837.41 and 51,171,369.05 is: 70,616,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,329,592.43 : 124,654,837.41 = 51,171,369.05 : x
  2. Step 2: Convert to fraction form
    90,329,592.43/124,654,837.41 = 51,171,369.05/x
  3. Step 3: Cross multiply
    90,329,592.43x = 124,654,837.41 × 51,171,369.05
  4. Step 4: Simplify right side
    90,329,592.43x = 6,378,758,688,585,434
  5. Step 5: Solve for x
    x = 6,378,758,688,585,434/90,329,592.43
  6. Step 6: Final answer
    x = 70,616,489.20

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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.