Home / 49,762,976.40-74,644,464.60-28,239,615.90

Finding the Fourth Proportional to 49,762,976.40, 74,644,464.60 and 28,239,615.90

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Solution

The fourth proportional to 49,762,976.40, 74,644,464.60 and 28,239,615.90 is: 42,359,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,762,976.40 : 74,644,464.60 = 28,239,615.90 : x
  2. Step 2: Convert to fraction form
    49,762,976.40/74,644,464.60 = 28,239,615.90/x
  3. Step 3: Cross multiply
    49,762,976.40x = 74,644,464.60 × 28,239,615.90
  4. Step 4: Simplify right side
    49,762,976.40x = 2,107,931,009,365,146.75
  5. Step 5: Solve for x
    x = 2,107,931,009,365,146.75/49,762,976.40
  6. Step 6: Final answer
    x = 42,359,423.85

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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.