Home / 51,416,138.53-70,955,576.67-28,211,259.34

Finding the Fourth Proportional to 51,416,138.53, 70,955,576.67 and 28,211,259.34

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Solution

The fourth proportional to 51,416,138.53, 70,955,576.67 and 28,211,259.34 is: 38,932,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,416,138.53 : 70,955,576.67 = 28,211,259.34 : x
  2. Step 2: Convert to fraction form
    51,416,138.53/70,955,576.67 = 28,211,259.34/x
  3. Step 3: Cross multiply
    51,416,138.53x = 70,955,576.67 × 28,211,259.34
  4. Step 4: Simplify right side
    51,416,138.53x = 2,001,746,174,879,234.50
  5. Step 5: Solve for x
    x = 2,001,746,174,879,234.50/51,416,138.53
  6. Step 6: Final answer
    x = 38,932,254.20

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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.