Home / 72,969,229.18-100,697,532.11-39,929,482.27

Finding the Fourth Proportional to 72,969,229.18, 100,697,532.11 and 39,929,482.27

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Solution

The fourth proportional to 72,969,229.18, 100,697,532.11 and 39,929,482.27 is: 55,102,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,969,229.18 : 100,697,532.11 = 39,929,482.27 : x
  2. Step 2: Convert to fraction form
    72,969,229.18/100,697,532.11 = 39,929,482.27/x
  3. Step 3: Cross multiply
    72,969,229.18x = 100,697,532.11 × 39,929,482.27
  4. Step 4: Simplify right side
    72,969,229.18x = 4,020,800,323,094,961
  5. Step 5: Solve for x
    x = 4,020,800,323,094,961/72,969,229.18
  6. Step 6: Final answer
    x = 55,102,683.26

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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.