Home / 90,329,574.75-124,654,813.15-51,171,351.50

Finding the Fourth Proportional to 90,329,574.75, 124,654,813.15 and 51,171,351.50

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Solution

The fourth proportional to 90,329,574.75, 124,654,813.15 and 51,171,351.50 is: 70,616,465.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,329,574.75 : 124,654,813.15 = 51,171,351.50 : x
  2. Step 2: Convert to fraction form
    90,329,574.75/124,654,813.15 = 51,171,351.50/x
  3. Step 3: Cross multiply
    90,329,574.75x = 124,654,813.15 × 51,171,351.50
  4. Step 4: Simplify right side
    90,329,574.75x = 6,378,755,259,865,473
  5. Step 5: Solve for x
    x = 6,378,755,259,865,473/90,329,574.75
  6. Step 6: Final answer
    x = 70,616,465.07

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1.5x scale

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.