Home / 221,475,038.40-332,181,064.80-75,915,316.80

Finding the Fourth Proportional to 221,475,038.40, 332,181,064.80 and 75,915,316.80

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Solution

The fourth proportional to 221,475,038.40, 332,181,064.80 and 75,915,316.80 is: 113,862,180.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,475,038.40 : 332,181,064.80 = 75,915,316.80 : x
  2. Step 2: Convert to fraction form
    221,475,038.40/332,181,064.80 = 75,915,316.80/x
  3. Step 3: Cross multiply
    221,475,038.40x = 332,181,064.80 × 75,915,316.80
  4. Step 4: Simplify right side
    221,475,038.40x = 25,217,630,769,253,328
  5. Step 5: Solve for x
    x = 25,217,630,769,253,328/221,475,038.40
  6. Step 6: Final answer
    x = 113,862,180.37

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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.