Home / 65,921,618.25-98,872,801.78-19,222,554.95

Finding the Fourth Proportional to 65,921,618.25, 98,872,801.78 and 19,222,554.95

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Solution

The fourth proportional to 65,921,618.25, 98,872,801.78 and 19,222,554.95 is: 28,831,025.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,921,618.25 : 98,872,801.78 = 19,222,554.95 : x
  2. Step 2: Convert to fraction form
    65,921,618.25/98,872,801.78 = 19,222,554.95/x
  3. Step 3: Cross multiply
    65,921,618.25x = 98,872,801.78 × 19,222,554.95
  4. Step 4: Simplify right side
    65,921,618.25x = 1,900,587,864,686,031.25
  5. Step 5: Solve for x
    x = 1,900,587,864,686,031.25/65,921,618.25
  6. Step 6: Final answer
    x = 28,831,025.62

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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.