Home / 98,425,297.20-135,831,036.72-56,609,374.56

Finding the Fourth Proportional to 98,425,297.20, 135,831,036.72 and 56,609,374.56

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Solution

The fourth proportional to 98,425,297.20, 135,831,036.72 and 56,609,374.56 is: 78,123,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,425,297.20 : 135,831,036.72 = 56,609,374.56 : x
  2. Step 2: Convert to fraction form
    98,425,297.20/135,831,036.72 = 56,609,374.56/x
  3. Step 3: Cross multiply
    98,425,297.20x = 135,831,036.72 × 56,609,374.56
  4. Step 4: Simplify right side
    98,425,297.20x = 7,689,310,034,555,594
  5. Step 5: Solve for x
    x = 7,689,310,034,555,594/98,425,297.20
  6. Step 6: Final answer
    x = 78,123,310.30

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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.