Home / 57,387,737.03-79,194,432.48-31,281,682.05

Finding the Fourth Proportional to 57,387,737.03, 79,194,432.48 and 31,281,682.05

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Solution

The fourth proportional to 57,387,737.03, 79,194,432.48 and 31,281,682.05 is: 43,168,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,387,737.03 : 79,194,432.48 = 31,281,682.05 : x
  2. Step 2: Convert to fraction form
    57,387,737.03/79,194,432.48 = 31,281,682.05/x
  3. Step 3: Cross multiply
    57,387,737.03x = 79,194,432.48 × 31,281,682.05
  4. Step 4: Simplify right side
    57,387,737.03x = 2,477,335,056,852,246.50
  5. Step 5: Solve for x
    x = 2,477,335,056,852,246.50/57,387,737.03
  6. Step 6: Final answer
    x = 43,168,369.85

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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.