Home / 57,312,015.80-85,968,023.70-38,080,412.60

Finding the Fourth Proportional to 57,312,015.80, 85,968,023.70 and 38,080,412.60

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Solution

The fourth proportional to 57,312,015.80, 85,968,023.70 and 38,080,412.60 is: 57,120,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,312,015.80 : 85,968,023.70 = 38,080,412.60 : x
  2. Step 2: Convert to fraction form
    57,312,015.80/85,968,023.70 = 38,080,412.60/x
  3. Step 3: Cross multiply
    57,312,015.80x = 85,968,023.70 × 38,080,412.60
  4. Step 4: Simplify right side
    57,312,015.80x = 3,273,697,812,902,579
  5. Step 5: Solve for x
    x = 3,273,697,812,902,579/57,312,015.80
  6. Step 6: Final answer
    x = 57,120,618.90

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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.