Home / 147,559,712.99-203,650,357.64-85,680,049.73

Finding the Fourth Proportional to 147,559,712.99, 203,650,357.64 and 85,680,049.73

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Solution

The fourth proportional to 147,559,712.99, 203,650,357.64 and 85,680,049.73 is: 118,248,893.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,559,712.99 : 203,650,357.64 = 85,680,049.73 : x
  2. Step 2: Convert to fraction form
    147,559,712.99/203,650,357.64 = 85,680,049.73/x
  3. Step 3: Cross multiply
    147,559,712.99x = 203,650,357.64 × 85,680,049.73
  4. Step 4: Simplify right side
    147,559,712.99x = 17,448,772,768,680,832
  5. Step 5: Solve for x
    x = 17,448,772,768,680,832/147,559,712.99
  6. Step 6: Final answer
    x = 118,248,893.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.