Home / 52,225,793.20-78,288,923.40-40,704,871.60

Finding the Fourth Proportional to 52,225,793.20, 78,288,923.40 and 40,704,871.60

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Solution

The fourth proportional to 52,225,793.20, 78,288,923.40 and 40,704,871.60 is: 61,018,519.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,225,793.20 : 78,288,923.40 = 40,704,871.60 : x
  2. Step 2: Convert to fraction form
    52,225,793.20/78,288,923.40 = 40,704,871.60/x
  3. Step 3: Cross multiply
    52,225,793.20x = 78,288,923.40 × 40,704,871.60
  4. Step 4: Simplify right side
    52,225,793.20x = 3,186,740,574,699,236
  5. Step 5: Solve for x
    x = 3,186,740,574,699,236/52,225,793.20
  6. Step 6: Final answer
    x = 61,018,519.38

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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.