Home / 372,106,972.12-558,117,868.56-99,498,996.76

Finding the Fourth Proportional to 372,106,972.12, 558,117,868.56 and 99,498,996.76

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Solution

The fourth proportional to 372,106,972.12, 558,117,868.56 and 99,498,996.76 is: 149,237,106.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,106,972.12 : 558,117,868.56 = 99,498,996.76 : x
  2. Step 2: Convert to fraction form
    372,106,972.12/558,117,868.56 = 99,498,996.76/x
  3. Step 3: Cross multiply
    372,106,972.12x = 558,117,868.56 × 99,498,996.76
  4. Step 4: Simplify right side
    372,106,972.12x = 55,532,167,995,549,544
  5. Step 5: Solve for x
    x = 55,532,167,995,549,544/372,106,972.12
  6. Step 6: Final answer
    x = 149,237,106.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.