Home / 144,581,586.30-217,040,341.05-87,138,719.10

Finding the Fourth Proportional to 144,581,586.30, 217,040,341.05 and 87,138,719.10

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Solution

The fourth proportional to 144,581,586.30, 217,040,341.05 and 87,138,719.10 is: 130,809,308.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,581,586.30 : 217,040,341.05 = 87,138,719.10 : x
  2. Step 2: Convert to fraction form
    144,581,586.30/217,040,341.05 = 87,138,719.10/x
  3. Step 3: Cross multiply
    144,581,586.30x = 217,040,341.05 × 87,138,719.10
  4. Step 4: Simplify right side
    144,581,586.30x = 18,912,617,312,124,148
  5. Step 5: Solve for x
    x = 18,912,617,312,124,148/144,581,586.30
  6. Step 6: Final answer
    x = 130,809,308.41

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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.