Home / 90,329,611.39-124,654,863.54-51,171,388.08

Finding the Fourth Proportional to 90,329,611.39, 124,654,863.54 and 51,171,388.08

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Solution

The fourth proportional to 90,329,611.39, 124,654,863.54 and 51,171,388.08 is: 70,616,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,329,611.39 : 124,654,863.54 = 51,171,388.08 : x
  2. Step 2: Convert to fraction form
    90,329,611.39/124,654,863.54 = 51,171,388.08/x
  3. Step 3: Cross multiply
    90,329,611.39x = 124,654,863.54 × 51,171,388.08
  4. Step 4: Simplify right side
    90,329,611.39x = 6,378,762,398,540,346
  5. Step 5: Solve for x
    x = 6,378,762,398,540,346/90,329,611.39
  6. Step 6: Final answer
    x = 70,616,515.45

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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.