Home / 305,899,697.17-458,933,881.02-121,796,459.83

Finding the Fourth Proportional to 305,899,697.17, 458,933,881.02 and 121,796,459.83

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Solution

The fourth proportional to 305,899,697.17, 458,933,881.02 and 121,796,459.83 is: 182,728,268.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,899,697.17 : 458,933,881.02 = 121,796,459.83 : x
  2. Step 2: Convert to fraction form
    305,899,697.17/458,933,881.02 = 121,796,459.83/x
  3. Step 3: Cross multiply
    305,899,697.17x = 458,933,881.02 × 121,796,459.83
  4. Step 4: Simplify right side
    305,899,697.17x = 55,896,522,004,278,424
  5. Step 5: Solve for x
    x = 55,896,522,004,278,424/305,899,697.17
  6. Step 6: Final answer
    x = 182,728,268.52

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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.