Home / 237,692,121.78-328,008,798.94-137,217,168.03

Finding the Fourth Proportional to 237,692,121.78, 328,008,798.94 and 137,217,168.03

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Solution

The fourth proportional to 237,692,121.78, 328,008,798.94 and 137,217,168.03 is: 189,356,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,692,121.78 : 328,008,798.94 = 137,217,168.03 : x
  2. Step 2: Convert to fraction form
    237,692,121.78/328,008,798.94 = 137,217,168.03/x
  3. Step 3: Cross multiply
    237,692,121.78x = 328,008,798.94 × 137,217,168.03
  4. Step 4: Simplify right side
    237,692,121.78x = 45,008,438,479,468,464
  5. Step 5: Solve for x
    x = 45,008,438,479,468,464/237,692,121.78
  6. Step 6: Final answer
    x = 189,356,038.15

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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.