Home / 65,921,479.25-98,872,593.61-19,222,416.14

Finding the Fourth Proportional to 65,921,479.25, 98,872,593.61 and 19,222,416.14

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Solution

The fourth proportional to 65,921,479.25, 98,872,593.61 and 19,222,416.14 is: 28,830,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,921,479.25 : 98,872,593.61 = 19,222,416.14 : x
  2. Step 2: Convert to fraction form
    65,921,479.25/98,872,593.61 = 19,222,416.14/x
  3. Step 3: Cross multiply
    65,921,479.25x = 98,872,593.61 × 19,222,416.14
  4. Step 4: Simplify right side
    65,921,479.25x = 1,900,570,138,670,106
  5. Step 5: Solve for x
    x = 1,900,570,138,670,106/65,921,479.25
  6. Step 6: Final answer
    x = 28,830,817.52

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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.