Home / 55,502,748.81-76,592,865.78-30,722,404.02

Finding the Fourth Proportional to 55,502,748.81, 76,592,865.78 and 30,722,404.02

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Solution

The fourth proportional to 55,502,748.81, 76,592,865.78 and 30,722,404.02 is: 42,396,404.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,502,748.81 : 76,592,865.78 = 30,722,404.02 : x
  2. Step 2: Convert to fraction form
    55,502,748.81/76,592,865.78 = 30,722,404.02/x
  3. Step 3: Cross multiply
    55,502,748.81x = 76,592,865.78 × 30,722,404.02
  4. Step 4: Simplify right side
    55,502,748.81x = 2,353,116,967,542,792.50
  5. Step 5: Solve for x
    x = 2,353,116,967,542,792.50/55,502,748.81
  6. Step 6: Final answer
    x = 42,396,404.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.