Home / 65,015,089.88-97,521,641.22-15,831,403.16

Finding the Fourth Proportional to 65,015,089.88, 97,521,641.22 and 15,831,403.16

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Solution

The fourth proportional to 65,015,089.88, 97,521,641.22 and 15,831,403.16 is: 23,746,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,015,089.88 : 97,521,641.22 = 15,831,403.16 : x
  2. Step 2: Convert to fraction form
    65,015,089.88/97,521,641.22 = 15,831,403.16/x
  3. Step 3: Cross multiply
    65,015,089.88x = 97,521,641.22 × 15,831,403.16
  4. Step 4: Simplify right side
    65,015,089.88x = 1,543,904,418,978,694.25
  5. Step 5: Solve for x
    x = 1,543,904,418,978,694.25/65,015,089.88
  6. Step 6: Final answer
    x = 23,746,862.79

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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.