Home / 321,478,784.64-482,172,773.76-103,100,749.44

Finding the Fourth Proportional to 321,478,784.64, 482,172,773.76 and 103,100,749.44

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Solution

The fourth proportional to 321,478,784.64, 482,172,773.76 and 103,100,749.44 is: 154,636,563.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,478,784.64 : 482,172,773.76 = 103,100,749.44 : x
  2. Step 2: Convert to fraction form
    321,478,784.64/482,172,773.76 = 103,100,749.44/x
  3. Step 3: Cross multiply
    321,478,784.64x = 482,172,773.76 × 103,100,749.44
  4. Step 4: Simplify right side
    321,478,784.64x = 49,712,374,334,219,568
  5. Step 5: Solve for x
    x = 49,712,374,334,219,568/321,478,784.64
  6. Step 6: Final answer
    x = 154,636,563.00

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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.