Home / 70,124,865.50-96,770,458.06-39,185,289.02

Finding the Fourth Proportional to 70,124,865.50, 96,770,458.06 and 39,185,289.02

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Solution

The fourth proportional to 70,124,865.50, 96,770,458.06 and 39,185,289.02 is: 54,074,661.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,124,865.50 : 96,770,458.06 = 39,185,289.02 : x
  2. Step 2: Convert to fraction form
    70,124,865.50/96,770,458.06 = 39,185,289.02/x
  3. Step 3: Cross multiply
    70,124,865.50x = 96,770,458.06 × 39,185,289.02
  4. Step 4: Simplify right side
    70,124,865.50x = 3,791,978,367,678,889
  5. Step 5: Solve for x
    x = 3,791,978,367,678,889/70,124,865.50
  6. Step 6: Final answer
    x = 54,074,661.54

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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.