Home / 55,366,452.07-76,407,889.30-31,844,951.21

Finding the Fourth Proportional to 55,366,452.07, 76,407,889.30 and 31,844,951.21

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Solution

The fourth proportional to 55,366,452.07, 76,407,889.30 and 31,844,951.21 is: 43,947,289.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,366,452.07 : 76,407,889.30 = 31,844,951.21 : x
  2. Step 2: Convert to fraction form
    55,366,452.07/76,407,889.30 = 31,844,951.21/x
  3. Step 3: Cross multiply
    55,366,452.07x = 76,407,889.30 × 31,844,951.21
  4. Step 4: Simplify right side
    55,366,452.07x = 2,433,205,506,928,988.50
  5. Step 5: Solve for x
    x = 2,433,205,506,928,988.50/55,366,452.07
  6. Step 6: Final answer
    x = 43,947,289.67

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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.