Home / 90,329,572.25-124,654,809.69-51,171,349.00

Finding the Fourth Proportional to 90,329,572.25, 124,654,809.69 and 51,171,349.00

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Solution

The fourth proportional to 90,329,572.25, 124,654,809.69 and 51,171,349.00 is: 70,616,461.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,329,572.25 : 124,654,809.69 = 51,171,349.00 : x
  2. Step 2: Convert to fraction form
    90,329,572.25/124,654,809.69 = 51,171,349.00/x
  3. Step 3: Cross multiply
    90,329,572.25x = 124,654,809.69 × 51,171,349.00
  4. Step 4: Simplify right side
    90,329,572.25x = 6,378,754,770,891,062
  5. Step 5: Solve for x
    x = 6,378,754,770,891,062/90,329,572.25
  6. Step 6: Final answer
    x = 70,616,461.61

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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.