Home / 53,336,700.80-80,005,051.20-39,899,772.80

Finding the Fourth Proportional to 53,336,700.80, 80,005,051.20 and 39,899,772.80

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Solution

The fourth proportional to 53,336,700.80, 80,005,051.20 and 39,899,772.80 is: 59,849,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,336,700.80 : 80,005,051.20 = 39,899,772.80 : x
  2. Step 2: Convert to fraction form
    53,336,700.80/80,005,051.20 = 39,899,772.80/x
  3. Step 3: Cross multiply
    53,336,700.80x = 80,005,051.20 × 39,899,772.80
  4. Step 4: Simplify right side
    53,336,700.80x = 3,192,183,365,732,367
  5. Step 5: Solve for x
    x = 3,192,183,365,732,367/53,336,700.80
  6. Step 6: Final answer
    x = 59,849,659.20

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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.