Home / 120,037,609.60-165,652,063.68-65,033,464.48

Finding the Fourth Proportional to 120,037,609.60, 165,652,063.68 and 65,033,464.48

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Solution

The fourth proportional to 120,037,609.60, 165,652,063.68 and 65,033,464.48 is: 89,746,268.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,037,609.60 : 165,652,063.68 = 65,033,464.48 : x
  2. Step 2: Convert to fraction form
    120,037,609.60/165,652,063.68 = 65,033,464.48/x
  3. Step 3: Cross multiply
    120,037,609.60x = 165,652,063.68 × 65,033,464.48
  4. Step 4: Simplify right side
    120,037,609.60x = 10,772,927,599,371,978
  5. Step 5: Solve for x
    x = 10,772,927,599,371,978/120,037,609.60
  6. Step 6: Final answer
    x = 89,746,268.98

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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.