Home / 60,567,793.20-90,851,689.80-20,178,277.20

Finding the Fourth Proportional to 60,567,793.20, 90,851,689.80 and 20,178,277.20

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Solution

The fourth proportional to 60,567,793.20, 90,851,689.80 and 20,178,277.20 is: 30,267,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,567,793.20 : 90,851,689.80 = 20,178,277.20 : x
  2. Step 2: Convert to fraction form
    60,567,793.20/90,851,689.80 = 20,178,277.20/x
  3. Step 3: Cross multiply
    60,567,793.20x = 90,851,689.80 × 20,178,277.20
  4. Step 4: Simplify right side
    60,567,793.20x = 1,833,230,580,872,812.50
  5. Step 5: Solve for x
    x = 1,833,230,580,872,812.50/60,567,793.20
  6. Step 6: Final answer
    x = 30,267,415.80

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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.