Home / 55,182,483.72-82,770,974.08-20,636,345.72

Finding the Fourth Proportional to 55,182,483.72, 82,770,974.08 and 20,636,345.72

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Solution

The fourth proportional to 55,182,483.72, 82,770,974.08 and 20,636,345.72 is: 30,953,489.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,182,483.72 : 82,770,974.08 = 20,636,345.72 : x
  2. Step 2: Convert to fraction form
    55,182,483.72/82,770,974.08 = 20,636,345.72/x
  3. Step 3: Cross multiply
    55,182,483.72x = 82,770,974.08 × 20,636,345.72
  4. Step 4: Simplify right side
    55,182,483.72x = 1,708,090,436,696,038.75
  5. Step 5: Solve for x
    x = 1,708,090,436,696,038.75/55,182,483.72
  6. Step 6: Final answer
    x = 30,953,489.61

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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.