Home / 132,939,297.30-199,389,000.51-42,051,076.50

Finding the Fourth Proportional to 132,939,297.30, 199,389,000.51 and 42,051,076.50

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Solution

The fourth proportional to 132,939,297.30, 199,389,000.51 and 42,051,076.50 is: 63,070,305.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,939,297.30 : 199,389,000.51 = 42,051,076.50 : x
  2. Step 2: Convert to fraction form
    132,939,297.30/199,389,000.51 = 42,051,076.50/x
  3. Step 3: Cross multiply
    132,939,297.30x = 199,389,000.51 × 42,051,076.50
  4. Step 4: Simplify right side
    132,939,297.30x = 8,384,522,113,704,549
  5. Step 5: Solve for x
    x = 8,384,522,113,704,549/132,939,297.30
  6. Step 6: Final answer
    x = 63,070,305.65

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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.