Home / 55,440,163.28-83,101,602.04-20,881,612.65

Finding the Fourth Proportional to 55,440,163.28, 83,101,602.04 and 20,881,612.65

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Solution

The fourth proportional to 55,440,163.28, 83,101,602.04 and 20,881,612.65 is: 31,300,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,440,163.28 : 83,101,602.04 = 20,881,612.65 : x
  2. Step 2: Convert to fraction form
    55,440,163.28/83,101,602.04 = 20,881,612.65/x
  3. Step 3: Cross multiply
    55,440,163.28x = 83,101,602.04 × 20,881,612.65
  4. Step 4: Simplify right side
    55,440,163.28x = 1,735,295,464,390,567
  5. Step 5: Solve for x
    x = 1,735,295,464,390,567/55,440,163.28
  6. Step 6: Final answer
    x = 31,300,331.06

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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.