Home / 196,139,888.16-270,673,032.64-113,681,502.56

Finding the Fourth Proportional to 196,139,888.16, 270,673,032.64 and 113,681,502.56

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Solution

The fourth proportional to 196,139,888.16, 270,673,032.64 and 113,681,502.56 is: 156,880,465.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,139,888.16 : 270,673,032.64 = 113,681,502.56 : x
  2. Step 2: Convert to fraction form
    196,139,888.16/270,673,032.64 = 113,681,502.56/x
  3. Step 3: Cross multiply
    196,139,888.16x = 270,673,032.64 × 113,681,502.56
  4. Step 4: Simplify right side
    196,139,888.16x = 30,770,517,052,987,124
  5. Step 5: Solve for x
    x = 30,770,517,052,987,124/196,139,888.16
  6. Step 6: Final answer
    x = 156,880,465.99

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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.