Home / 49,851,196.20-74,720,807.10-21,092,437.80

Finding the Fourth Proportional to 49,851,196.20, 74,720,807.10 and 21,092,437.80

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Solution

The fourth proportional to 49,851,196.20, 74,720,807.10 and 21,092,437.80 is: 31,614,968.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,851,196.20 : 74,720,807.10 = 21,092,437.80 : x
  2. Step 2: Convert to fraction form
    49,851,196.20/74,720,807.10 = 21,092,437.80/x
  3. Step 3: Cross multiply
    49,851,196.20x = 74,720,807.10 × 21,092,437.80
  4. Step 4: Simplify right side
    49,851,196.20x = 1,576,043,976,122,548.25
  5. Step 5: Solve for x
    x = 1,576,043,976,122,548.25/49,851,196.20
  6. Step 6: Final answer
    x = 31,614,968.07

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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.