Home / 55,767,120.78-76,960,358.98-30,648,774.30

Finding the Fourth Proportional to 55,767,120.78, 76,960,358.98 and 30,648,774.30

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Solution

The fourth proportional to 55,767,120.78, 76,960,358.98 and 30,648,774.30 is: 42,296,260.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,767,120.78 : 76,960,358.98 = 30,648,774.30 : x
  2. Step 2: Convert to fraction form
    55,767,120.78/76,960,358.98 = 30,648,774.30/x
  3. Step 3: Cross multiply
    55,767,120.78x = 76,960,358.98 × 30,648,774.30
  4. Step 4: Simplify right side
    55,767,120.78x = 2,358,740,672,424,998.50
  5. Step 5: Solve for x
    x = 2,358,740,672,424,998.50/55,767,120.78
  6. Step 6: Final answer
    x = 42,296,260.58

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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.