Home / 64,380,000.80-96,570,001.20-57,213,639.20

Finding the Fourth Proportional to 64,380,000.80, 96,570,001.20 and 57,213,639.20

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Solution

The fourth proportional to 64,380,000.80, 96,570,001.20 and 57,213,639.20 is: 85,820,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,380,000.80 : 96,570,001.20 = 57,213,639.20 : x
  2. Step 2: Convert to fraction form
    64,380,000.80/96,570,001.20 = 57,213,639.20/x
  3. Step 3: Cross multiply
    64,380,000.80x = 96,570,001.20 × 57,213,639.20
  4. Step 4: Simplify right side
    64,380,000.80x = 5,525,121,206,200,367
  5. Step 5: Solve for x
    x = 5,525,121,206,200,367/64,380,000.80
  6. Step 6: Final answer
    x = 85,820,458.80

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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.