Home / 309,889,261.40-464,895,180-88,562,586.92

Finding the Fourth Proportional to 309,889,261.40, 464,895,180 and 88,562,586.92

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Solution

The fourth proportional to 309,889,261.40, 464,895,180 and 88,562,586.92 is: 132,861,395.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,889,261.40 : 464,895,180 = 88,562,586.92 : x
  2. Step 2: Convert to fraction form
    309,889,261.40/464,895,180 = 88,562,586.92/x
  3. Step 3: Cross multiply
    309,889,261.40x = 464,895,180 × 88,562,586.92
  4. Step 4: Simplify right side
    309,889,261.40x = 41,172,319,787,439,048
  5. Step 5: Solve for x
    x = 41,172,319,787,439,048/309,889,261.40
  6. Step 6: Final answer
    x = 132,861,395.72

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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.