Home / 65,229,815.66-90,014,851.06-35,860,935.26

Finding the Fourth Proportional to 65,229,815.66, 90,014,851.06 and 35,860,935.26

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Solution

The fourth proportional to 65,229,815.66, 90,014,851.06 and 35,860,935.26 is: 49,486,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,229,815.66 : 90,014,851.06 = 35,860,935.26 : x
  2. Step 2: Convert to fraction form
    65,229,815.66/90,014,851.06 = 35,860,935.26/x
  3. Step 3: Cross multiply
    65,229,815.66x = 90,014,851.06 × 35,860,935.26
  4. Step 4: Simplify right side
    65,229,815.66x = 3,228,016,745,761,476
  5. Step 5: Solve for x
    x = 3,228,016,745,761,476/65,229,815.66
  6. Step 6: Final answer
    x = 49,486,829.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.