Home / 64,164,811.80-96,247,217.70-31,821,706.20

Finding the Fourth Proportional to 64,164,811.80, 96,247,217.70 and 31,821,706.20

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Solution

The fourth proportional to 64,164,811.80, 96,247,217.70 and 31,821,706.20 is: 47,732,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,164,811.80 : 96,247,217.70 = 31,821,706.20 : x
  2. Step 2: Convert to fraction form
    64,164,811.80/96,247,217.70 = 31,821,706.20/x
  3. Step 3: Cross multiply
    64,164,811.80x = 96,247,217.70 × 31,821,706.20
  4. Step 4: Simplify right side
    64,164,811.80x = 3,062,750,684,216,840
  5. Step 5: Solve for x
    x = 3,062,750,684,216,840/64,164,811.80
  6. Step 6: Final answer
    x = 47,732,559.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.