Home / 55,247,976.69-82,849,163.48-18,859,301.08

Finding the Fourth Proportional to 55,247,976.69, 82,849,163.48 and 18,859,301.08

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Solution

The fourth proportional to 55,247,976.69, 82,849,163.48 and 18,859,301.08 is: 28,281,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,247,976.69 : 82,849,163.48 = 18,859,301.08 : x
  2. Step 2: Convert to fraction form
    55,247,976.69/82,849,163.48 = 18,859,301.08/x
  3. Step 3: Cross multiply
    55,247,976.69x = 82,849,163.48 × 18,859,301.08
  4. Step 4: Simplify right side
    55,247,976.69x = 1,562,477,318,064,763.75
  5. Step 5: Solve for x
    x = 1,562,477,318,064,763.75/55,247,976.69
  6. Step 6: Final answer
    x = 28,281,168.14

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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.