Home / 53,901,084.80-80,851,627.20-19,815,377.60

Finding the Fourth Proportional to 53,901,084.80, 80,851,627.20 and 19,815,377.60

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Solution

The fourth proportional to 53,901,084.80, 80,851,627.20 and 19,815,377.60 is: 29,723,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,901,084.80 : 80,851,627.20 = 19,815,377.60 : x
  2. Step 2: Convert to fraction form
    53,901,084.80/80,851,627.20 = 19,815,377.60/x
  3. Step 3: Cross multiply
    53,901,084.80x = 80,851,627.20 × 19,815,377.60
  4. Step 4: Simplify right side
    53,901,084.80x = 1,602,105,522,542,431
  5. Step 5: Solve for x
    x = 1,602,105,522,542,431/53,901,084.80
  6. Step 6: Final answer
    x = 29,723,066.40

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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.