Home / 56,890,202.52-78,508,687.50-30,784,720.44

Finding the Fourth Proportional to 56,890,202.52, 78,508,687.50 and 30,784,720.44

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Solution

The fourth proportional to 56,890,202.52, 78,508,687.50 and 30,784,720.44 is: 42,483,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,890,202.52 : 78,508,687.50 = 30,784,720.44 : x
  2. Step 2: Convert to fraction form
    56,890,202.52/78,508,687.50 = 30,784,720.44/x
  3. Step 3: Cross multiply
    56,890,202.52x = 78,508,687.50 × 30,784,720.44
  4. Step 4: Simplify right side
    56,890,202.52x = 2,416,867,996,798,822.50
  5. Step 5: Solve for x
    x = 2,416,867,996,798,822.50/56,890,202.52
  6. Step 6: Final answer
    x = 42,483,026.77

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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.