Home / 31,180,265.80-46,770,398.70-19,701,140.20

Finding the Fourth Proportional to 31,180,265.80, 46,770,398.70 and 19,701,140.20

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Solution

The fourth proportional to 31,180,265.80, 46,770,398.70 and 19,701,140.20 is: 29,551,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,180,265.80 : 46,770,398.70 = 19,701,140.20 : x
  2. Step 2: Convert to fraction form
    31,180,265.80/46,770,398.70 = 19,701,140.20/x
  3. Step 3: Cross multiply
    31,180,265.80x = 46,770,398.70 × 19,701,140.20
  4. Step 4: Simplify right side
    31,180,265.80x = 921,430,181,998,597.75
  5. Step 5: Solve for x
    x = 921,430,181,998,597.75/31,180,265.80
  6. Step 6: Final answer
    x = 29,551,710.30

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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.