Home / 220,018,339.80-303,607,536.39-127,204,830

Finding the Fourth Proportional to 220,018,339.80, 303,607,536.39 and 127,204,830

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Solution

The fourth proportional to 220,018,339.80, 303,607,536.39 and 127,204,830 is: 175,532,390.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,018,339.80 : 303,607,536.39 = 127,204,830 : x
  2. Step 2: Convert to fraction form
    220,018,339.80/303,607,536.39 = 127,204,830/x
  3. Step 3: Cross multiply
    220,018,339.80x = 303,607,536.39 × 127,204,830
  4. Step 4: Simplify right side
    220,018,339.80x = 38,620,345,053,208,760
  5. Step 5: Solve for x
    x = 38,620,345,053,208,760/220,018,339.80
  6. Step 6: Final answer
    x = 175,532,390.11

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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.