Home / 147,434,135.78-203,463,424.50-80,457,409.64

Finding the Fourth Proportional to 147,434,135.78, 203,463,424.50 and 80,457,409.64

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Solution

The fourth proportional to 147,434,135.78, 203,463,424.50 and 80,457,409.64 is: 111,033,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,434,135.78 : 203,463,424.50 = 80,457,409.64 : x
  2. Step 2: Convert to fraction form
    147,434,135.78/203,463,424.50 = 80,457,409.64/x
  3. Step 3: Cross multiply
    147,434,135.78x = 203,463,424.50 × 80,457,409.64
  4. Step 4: Simplify right side
    147,434,135.78x = 16,370,140,091,753,712
  5. Step 5: Solve for x
    x = 16,370,140,091,753,712/147,434,135.78
  6. Step 6: Final answer
    x = 111,033,581.23

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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.