Home / 90,292,700.82-124,599,756.74-51,134,757.78

Finding the Fourth Proportional to 90,292,700.82, 124,599,756.74 and 51,134,757.78

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Solution

The fourth proportional to 90,292,700.82, 124,599,756.74 and 51,134,757.78 is: 70,563,603.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,292,700.82 : 124,599,756.74 = 51,134,757.78 : x
  2. Step 2: Convert to fraction form
    90,292,700.82/124,599,756.74 = 51,134,757.78/x
  3. Step 3: Cross multiply
    90,292,700.82x = 124,599,756.74 × 51,134,757.78
  4. Step 4: Simplify right side
    90,292,700.82x = 6,371,378,380,346,822
  5. Step 5: Solve for x
    x = 6,371,378,380,346,822/90,292,700.82
  6. Step 6: Final answer
    x = 70,563,603.95

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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.