Home / 56,721,968.32-85,065,106.24-18,374,585.44

Finding the Fourth Proportional to 56,721,968.32, 85,065,106.24 and 18,374,585.44

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Solution

The fourth proportional to 56,721,968.32, 85,065,106.24 and 18,374,585.44 is: 27,556,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,721,968.32 : 85,065,106.24 = 18,374,585.44 : x
  2. Step 2: Convert to fraction form
    56,721,968.32/85,065,106.24 = 18,374,585.44/x
  3. Step 3: Cross multiply
    56,721,968.32x = 85,065,106.24 × 18,374,585.44
  4. Step 4: Simplify right side
    56,721,968.32x = 1,563,036,062,569,557.25
  5. Step 5: Solve for x
    x = 1,563,036,062,569,557.25/56,721,968.32
  6. Step 6: Final answer
    x = 27,556,097.03

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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.