Home / 85,927,423.80-118,589,942.13-48,256,778.68

Finding the Fourth Proportional to 85,927,423.80, 118,589,942.13 and 48,256,778.68

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Solution

The fourth proportional to 85,927,423.80, 118,589,942.13 and 48,256,778.68 is: 66,600,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,927,423.80 : 118,589,942.13 = 48,256,778.68 : x
  2. Step 2: Convert to fraction form
    85,927,423.80/118,589,942.13 = 48,256,778.68/x
  3. Step 3: Cross multiply
    85,927,423.80x = 118,589,942.13 × 48,256,778.68
  4. Step 4: Simplify right side
    85,927,423.80x = 5,722,768,590,563,980
  5. Step 5: Solve for x
    x = 5,722,768,590,563,980/85,927,423.80
  6. Step 6: Final answer
    x = 66,600,025.20

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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.