Home / 144,879,267.90-217,329,399.45-87,247,443.90

Finding the Fourth Proportional to 144,879,267.90, 217,329,399.45 and 87,247,443.90

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Solution

The fourth proportional to 144,879,267.90, 217,329,399.45 and 87,247,443.90 is: 130,877,487.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,879,267.90 : 217,329,399.45 = 87,247,443.90 : x
  2. Step 2: Convert to fraction form
    144,879,267.90/217,329,399.45 = 87,247,443.90/x
  3. Step 3: Cross multiply
    144,879,267.90x = 217,329,399.45 × 87,247,443.90
  4. Step 4: Simplify right side
    144,879,267.90x = 18,961,434,586,334,568
  5. Step 5: Solve for x
    x = 18,961,434,586,334,568/144,879,267.90
  6. Step 6: Final answer
    x = 130,877,487.59

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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.