Home / 342,120,401.64-472,136,114.10-193,438,330.52

Finding the Fourth Proportional to 342,120,401.64, 472,136,114.10 and 193,438,330.52

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Solution

The fourth proportional to 342,120,401.64, 472,136,114.10 and 193,438,330.52 is: 266,950,527.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,120,401.64 : 472,136,114.10 = 193,438,330.52 : x
  2. Step 2: Convert to fraction form
    342,120,401.64/472,136,114.10 = 193,438,330.52/x
  3. Step 3: Cross multiply
    342,120,401.64x = 472,136,114.10 × 193,438,330.52
  4. Step 4: Simplify right side
    342,120,401.64x = 91,329,221,687,343,552
  5. Step 5: Solve for x
    x = 91,329,221,687,343,552/342,120,401.64
  6. Step 6: Final answer
    x = 266,950,527.50

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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.