Home / 222,538,278.97-307,158,632.70-151,131,981.47

Finding the Fourth Proportional to 222,538,278.97, 307,158,632.70 and 151,131,981.47

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Solution

The fourth proportional to 222,538,278.97, 307,158,632.70 and 151,131,981.47 is: 208,600,035.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,538,278.97 : 307,158,632.70 = 151,131,981.47 : x
  2. Step 2: Convert to fraction form
    222,538,278.97/307,158,632.70 = 151,131,981.47/x
  3. Step 3: Cross multiply
    222,538,278.97x = 307,158,632.70 × 151,131,981.47
  4. Step 4: Simplify right side
    222,538,278.97x = 46,421,492,785,566,936
  5. Step 5: Solve for x
    x = 46,421,492,785,566,936/222,538,278.97
  6. Step 6: Final answer
    x = 208,600,035.02

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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.