Home / 305,453,921.76-458,183,205.72-87,104,076.66

Finding the Fourth Proportional to 305,453,921.76, 458,183,205.72 and 87,104,076.66

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Solution

The fourth proportional to 305,453,921.76, 458,183,205.72 and 87,104,076.66 is: 130,656,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,453,921.76 : 458,183,205.72 = 87,104,076.66 : x
  2. Step 2: Convert to fraction form
    305,453,921.76/458,183,205.72 = 87,104,076.66/x
  3. Step 3: Cross multiply
    305,453,921.76x = 458,183,205.72 × 87,104,076.66
  4. Step 4: Simplify right side
    305,453,921.76x = 39,909,625,075,359,432
  5. Step 5: Solve for x
    x = 39,909,625,075,359,432/305,453,921.76
  6. Step 6: Final answer
    x = 130,656,777.45

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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.