Home / 52,170,870.80-78,271,452.20-21,030,457.32

Finding the Fourth Proportional to 52,170,870.80, 78,271,452.20 and 21,030,457.32

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Solution

The fourth proportional to 52,170,870.80, 78,271,452.20 and 21,030,457.32 is: 31,551,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,170,870.80 : 78,271,452.20 = 21,030,457.32 : x
  2. Step 2: Convert to fraction form
    52,170,870.80/78,271,452.20 = 21,030,457.32/x
  3. Step 3: Cross multiply
    52,170,870.80x = 78,271,452.20 × 21,030,457.32
  4. Step 4: Simplify right side
    52,170,870.80x = 1,646,084,434,919,096.25
  5. Step 5: Solve for x
    x = 1,646,084,434,919,096.25/52,170,870.80
  6. Step 6: Final answer
    x = 31,551,791.44

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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.