Home / 62,129,279.62-93,173,636.37-20,619,005.40

Finding the Fourth Proportional to 62,129,279.62, 93,173,636.37 and 20,619,005.40

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Solution

The fourth proportional to 62,129,279.62, 93,173,636.37 and 20,619,005.40 is: 30,921,776.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,129,279.62 : 93,173,636.37 = 20,619,005.40 : x
  2. Step 2: Convert to fraction form
    62,129,279.62/93,173,636.37 = 20,619,005.40/x
  3. Step 3: Cross multiply
    62,129,279.62x = 93,173,636.37 × 20,619,005.40
  4. Step 4: Simplify right side
    62,129,279.62x = 1,921,147,711,450,666.25
  5. Step 5: Solve for x
    x = 1,921,147,711,450,666.25/62,129,279.62
  6. Step 6: Final answer
    x = 30,921,776.71

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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.