Home / 57,312,000.20-85,968,000.30-39,172,147.40

Finding the Fourth Proportional to 57,312,000.20, 85,968,000.30 and 39,172,147.40

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Solution

The fourth proportional to 57,312,000.20, 85,968,000.30 and 39,172,147.40 is: 58,758,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,312,000.20 : 85,968,000.30 = 39,172,147.40 : x
  2. Step 2: Convert to fraction form
    57,312,000.20/85,968,000.30 = 39,172,147.40/x
  3. Step 3: Cross multiply
    57,312,000.20x = 85,968,000.30 × 39,172,147.40
  4. Step 4: Simplify right side
    57,312,000.20x = 3,367,551,179,434,844
  5. Step 5: Solve for x
    x = 3,367,551,179,434,844/57,312,000.20
  6. Step 6: Final answer
    x = 58,758,221.10

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1.5x scale

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.