Home / 216,189,522.86-324,607,872.80-187,133,478.26

Finding the Fourth Proportional to 216,189,522.86, 324,607,872.80 and 187,133,478.26

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Solution

The fourth proportional to 216,189,522.86, 324,607,872.80 and 187,133,478.26 is: 280,980,315.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,189,522.86 : 324,607,872.80 = 187,133,478.26 : x
  2. Step 2: Convert to fraction form
    216,189,522.86/324,607,872.80 = 187,133,478.26/x
  3. Step 3: Cross multiply
    216,189,522.86x = 324,607,872.80 × 187,133,478.26
  4. Step 4: Simplify right side
    216,189,522.86x = 60,745,000,306,488,440
  5. Step 5: Solve for x
    x = 60,745,000,306,488,440/216,189,522.86
  6. Step 6: Final answer
    x = 280,980,315.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.