Home / 305,534,340.15-458,297,029.54-75,503,427.54

Finding the Fourth Proportional to 305,534,340.15, 458,297,029.54 and 75,503,427.54

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Solution

The fourth proportional to 305,534,340.15, 458,297,029.54 and 75,503,427.54 is: 113,254,034.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,534,340.15 : 458,297,029.54 = 75,503,427.54 : x
  2. Step 2: Convert to fraction form
    305,534,340.15/458,297,029.54 = 75,503,427.54/x
  3. Step 3: Cross multiply
    305,534,340.15x = 458,297,029.54 × 75,503,427.54
  4. Step 4: Simplify right side
    305,534,340.15x = 34,602,996,561,670,636
  5. Step 5: Solve for x
    x = 34,602,996,561,670,636/305,534,340.15
  6. Step 6: Final answer
    x = 113,254,034.05

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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.