Home / 193,554,727.20-290,464,801.20-85,926,592.80

Finding the Fourth Proportional to 193,554,727.20, 290,464,801.20 and 85,926,592.80

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Solution

The fourth proportional to 193,554,727.20, 290,464,801.20 and 85,926,592.80 is: 128,948,804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,554,727.20 : 290,464,801.20 = 85,926,592.80 : x
  2. Step 2: Convert to fraction form
    193,554,727.20/290,464,801.20 = 85,926,592.80/x
  3. Step 3: Cross multiply
    193,554,727.20x = 290,464,801.20 × 85,926,592.80
  4. Step 4: Simplify right side
    193,554,727.20x = 24,958,650,695,445,348
  5. Step 5: Solve for x
    x = 24,958,650,695,445,348/193,554,727.20
  6. Step 6: Final answer
    x = 128,948,804.59

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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.