Home / 57,312,014.80-85,968,022.20-38,080,411.60

Finding the Fourth Proportional to 57,312,014.80, 85,968,022.20 and 38,080,411.60

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Solution

The fourth proportional to 57,312,014.80, 85,968,022.20 and 38,080,411.60 is: 57,120,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,312,014.80 : 85,968,022.20 = 38,080,411.60 : x
  2. Step 2: Convert to fraction form
    57,312,014.80/85,968,022.20 = 38,080,411.60/x
  3. Step 3: Cross multiply
    57,312,014.80x = 85,968,022.20 × 38,080,411.60
  4. Step 4: Simplify right side
    57,312,014.80x = 3,273,697,669,813,938
  5. Step 5: Solve for x
    x = 3,273,697,669,813,938/57,312,014.80
  6. Step 6: Final answer
    x = 57,120,617.40

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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.