Home / 98,425,281.75-135,831,015.21-56,609,358.72

Finding the Fourth Proportional to 98,425,281.75, 135,831,015.21 and 56,609,358.72

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Solution

The fourth proportional to 98,425,281.75, 135,831,015.21 and 56,609,358.72 is: 78,123,288.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,425,281.75 : 135,831,015.21 = 56,609,358.72 : x
  2. Step 2: Convert to fraction form
    98,425,281.75/135,831,015.21 = 56,609,358.72/x
  3. Step 3: Cross multiply
    98,425,281.75x = 135,831,015.21 × 56,609,358.72
  4. Step 4: Simplify right side
    98,425,281.75x = 7,689,306,665,027,586
  5. Step 5: Solve for x
    x = 7,689,306,665,027,586/98,425,281.75
  6. Step 6: Final answer
    x = 78,123,288.33

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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.