Home / 76,656,131.10-114,984,196.65-61,539,587.10

Finding the Fourth Proportional to 76,656,131.10, 114,984,196.65 and 61,539,587.10

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Solution

The fourth proportional to 76,656,131.10, 114,984,196.65 and 61,539,587.10 is: 92,309,380.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,656,131.10 : 114,984,196.65 = 61,539,587.10 : x
  2. Step 2: Convert to fraction form
    76,656,131.10/114,984,196.65 = 61,539,587.10/x
  3. Step 3: Cross multiply
    76,656,131.10x = 114,984,196.65 × 61,539,587.10
  4. Step 4: Simplify right side
    76,656,131.10x = 7,076,079,984,866,204
  5. Step 5: Solve for x
    x = 7,076,079,984,866,204/76,656,131.10
  6. Step 6: Final answer
    x = 92,309,380.65

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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.