Home / 65,921,618.50-98,872,802.15-19,222,555.20

Finding the Fourth Proportional to 65,921,618.50, 98,872,802.15 and 19,222,555.20

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Solution

The fourth proportional to 65,921,618.50, 98,872,802.15 and 19,222,555.20 is: 28,831,026.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,921,618.50 : 98,872,802.15 = 19,222,555.20 : x
  2. Step 2: Convert to fraction form
    65,921,618.50/98,872,802.15 = 19,222,555.20/x
  3. Step 3: Cross multiply
    65,921,618.50x = 98,872,802.15 × 19,222,555.20
  4. Step 4: Simplify right side
    65,921,618.50x = 1,900,587,897,010,940.75
  5. Step 5: Solve for x
    x = 1,900,587,897,010,940.75/65,921,618.50
  6. Step 6: Final answer
    x = 28,831,026.00

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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.