Home / 147,434,133.78-203,463,421.74-80,457,407.64

Finding the Fourth Proportional to 147,434,133.78, 203,463,421.74 and 80,457,407.64

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Solution

The fourth proportional to 147,434,133.78, 203,463,421.74 and 80,457,407.64 is: 111,033,578.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,434,133.78 : 203,463,421.74 = 80,457,407.64 : x
  2. Step 2: Convert to fraction form
    147,434,133.78/203,463,421.74 = 80,457,407.64/x
  3. Step 3: Cross multiply
    147,434,133.78x = 203,463,421.74 × 80,457,407.64
  4. Step 4: Simplify right side
    147,434,133.78x = 16,370,139,462,764,418
  5. Step 5: Solve for x
    x = 16,370,139,462,764,418/147,434,133.78
  6. Step 6: Final answer
    x = 111,033,578.47

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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.