Home / 133,544,765.70-200,317,148.55-120,365,028.90

Finding the Fourth Proportional to 133,544,765.70, 200,317,148.55 and 120,365,028.90

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Solution

The fourth proportional to 133,544,765.70, 200,317,148.55 and 120,365,028.90 is: 180,547,543.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,544,765.70 : 200,317,148.55 = 120,365,028.90 : x
  2. Step 2: Convert to fraction form
    133,544,765.70/200,317,148.55 = 120,365,028.90/x
  3. Step 3: Cross multiply
    133,544,765.70x = 200,317,148.55 × 120,365,028.90
  4. Step 4: Simplify right side
    133,544,765.70x = 24,111,179,374,386,344
  5. Step 5: Solve for x
    x = 24,111,179,374,386,344/133,544,765.70
  6. Step 6: Final answer
    x = 180,547,543.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.