Home / 55,551,632.15-83,339,148.83-21,007,269.20

Finding the Fourth Proportional to 55,551,632.15, 83,339,148.83 and 21,007,269.20

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Solution

The fourth proportional to 55,551,632.15, 83,339,148.83 and 21,007,269.20 is: 31,515,328.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,551,632.15 : 83,339,148.83 = 21,007,269.20 : x
  2. Step 2: Convert to fraction form
    55,551,632.15/83,339,148.83 = 21,007,269.20/x
  3. Step 3: Cross multiply
    55,551,632.15x = 83,339,148.83 × 21,007,269.20
  4. Step 4: Simplify right side
    55,551,632.15x = 1,750,727,933,848,943
  5. Step 5: Solve for x
    x = 1,750,727,933,848,943/55,551,632.15
  6. Step 6: Final answer
    x = 31,515,328.47

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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.