Home / 79,738,531.50-110,039,251.50-43,069,102.50

Finding the Fourth Proportional to 79,738,531.50, 110,039,251.50 and 43,069,102.50

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Solution

The fourth proportional to 79,738,531.50, 110,039,251.50 and 43,069,102.50 is: 59,435,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,738,531.50 : 110,039,251.50 = 43,069,102.50 : x
  2. Step 2: Convert to fraction form
    79,738,531.50/110,039,251.50 = 43,069,102.50/x
  3. Step 3: Cross multiply
    79,738,531.50x = 110,039,251.50 × 43,069,102.50
  4. Step 4: Simplify right side
    79,738,531.50x = 4,739,291,801,876,779
  5. Step 5: Solve for x
    x = 4,739,291,801,876,779/79,738,531.50
  6. Step 6: Final answer
    x = 59,435,403.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.