Home / 90,329,574.75-124,654,813.14-51,171,351.49

Finding the Fourth Proportional to 90,329,574.75, 124,654,813.14 and 51,171,351.49

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Solution

The fourth proportional to 90,329,574.75, 124,654,813.14 and 51,171,351.49 is: 70,616,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,329,574.75 : 124,654,813.14 = 51,171,351.49 : x
  2. Step 2: Convert to fraction form
    90,329,574.75/124,654,813.14 = 51,171,351.49/x
  3. Step 3: Cross multiply
    90,329,574.75x = 124,654,813.14 × 51,171,351.49
  4. Step 4: Simplify right side
    90,329,574.75x = 6,378,755,258,107,211
  5. Step 5: Solve for x
    x = 6,378,755,258,107,211/90,329,574.75
  6. Step 6: Final answer
    x = 70,616,465.05

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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.