Home / 65,921,463.29-98,872,569.74-19,222,400.18

Finding the Fourth Proportional to 65,921,463.29, 98,872,569.74 and 19,222,400.18

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Solution

The fourth proportional to 65,921,463.29, 98,872,569.74 and 19,222,400.18 is: 28,830,793.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,921,463.29 : 98,872,569.74 = 19,222,400.18 : x
  2. Step 2: Convert to fraction form
    65,921,463.29/98,872,569.74 = 19,222,400.18/x
  3. Step 3: Cross multiply
    65,921,463.29x = 98,872,569.74 × 19,222,400.18
  4. Step 4: Simplify right side
    65,921,463.29x = 1,900,568,102,507,194.75
  5. Step 5: Solve for x
    x = 1,900,568,102,507,194.75/65,921,463.29
  6. Step 6: Final answer
    x = 28,830,793.61

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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.