Home / 222,538,288-307,158,645.12-151,131,990.46

Finding the Fourth Proportional to 222,538,288, 307,158,645.12 and 151,131,990.46

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Solution

The fourth proportional to 222,538,288, 307,158,645.12 and 151,131,990.46 is: 208,600,047.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,538,288 : 307,158,645.12 = 151,131,990.46 : x
  2. Step 2: Convert to fraction form
    222,538,288/307,158,645.12 = 151,131,990.46/x
  3. Step 3: Cross multiply
    222,538,288x = 307,158,645.12 × 151,131,990.46
  4. Step 4: Simplify right side
    222,538,288x = 46,421,497,423,982,368
  5. Step 5: Solve for x
    x = 46,421,497,423,982,368/222,538,288
  6. Step 6: Final answer
    x = 208,600,047.39

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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.