Home / 291,030,233.20-436,545,349.80-187,718,102.80

Finding the Fourth Proportional to 291,030,233.20, 436,545,349.80 and 187,718,102.80

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Solution

The fourth proportional to 291,030,233.20, 436,545,349.80 and 187,718,102.80 is: 281,577,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,030,233.20 : 436,545,349.80 = 187,718,102.80 : x
  2. Step 2: Convert to fraction form
    291,030,233.20/436,545,349.80 = 187,718,102.80/x
  3. Step 3: Cross multiply
    291,030,233.20x = 436,545,349.80 × 187,718,102.80
  4. Step 4: Simplify right side
    291,030,233.20x = 81,947,464,850,618,368
  5. Step 5: Solve for x
    x = 81,947,464,850,618,368/291,030,233.20
  6. Step 6: Final answer
    x = 281,577,154.20

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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.