Home / 219,646,670.47-303,111,573.44-120,529,076.22

Finding the Fourth Proportional to 219,646,670.47, 303,111,573.44 and 120,529,076.22

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Solution

The fourth proportional to 219,646,670.47, 303,111,573.44 and 120,529,076.22 is: 166,329,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,646,670.47 : 303,111,573.44 = 120,529,076.22 : x
  2. Step 2: Convert to fraction form
    219,646,670.47/303,111,573.44 = 120,529,076.22/x
  3. Step 3: Cross multiply
    219,646,670.47x = 303,111,573.44 × 120,529,076.22
  4. Step 4: Simplify right side
    219,646,670.47x = 36,533,757,937,711,240
  5. Step 5: Solve for x
    x = 36,533,757,937,711,240/219,646,670.47
  6. Step 6: Final answer
    x = 166,329,668.74

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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.