Home / 55,182,491.76-82,770,986.08-20,636,353.76

Finding the Fourth Proportional to 55,182,491.76, 82,770,986.08 and 20,636,353.76

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Solution

The fourth proportional to 55,182,491.76, 82,770,986.08 and 20,636,353.76 is: 30,953,501.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,182,491.76 : 82,770,986.08 = 20,636,353.76 : x
  2. Step 2: Convert to fraction form
    55,182,491.76/82,770,986.08 = 20,636,353.76/x
  3. Step 3: Cross multiply
    55,182,491.76x = 82,770,986.08 × 20,636,353.76
  4. Step 4: Simplify right side
    55,182,491.76x = 1,708,091,349,810,915.75
  5. Step 5: Solve for x
    x = 1,708,091,349,810,915.75/55,182,491.76
  6. Step 6: Final answer
    x = 30,953,501.65

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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.