Home / 147,415,536.54-203,439,593.25-81,340,321.14

Finding the Fourth Proportional to 147,415,536.54, 203,439,593.25 and 81,340,321.14

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Solution

The fourth proportional to 147,415,536.54, 203,439,593.25 and 81,340,321.14 is: 112,253,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,415,536.54 : 203,439,593.25 = 81,340,321.14 : x
  2. Step 2: Convert to fraction form
    147,415,536.54/203,439,593.25 = 81,340,321.14/x
  3. Step 3: Cross multiply
    147,415,536.54x = 203,439,593.25 × 81,340,321.14
  4. Step 4: Simplify right side
    147,415,536.54x = 16,547,841,847,545,976
  5. Step 5: Solve for x
    x = 16,547,841,847,545,976/147,415,536.54
  6. Step 6: Final answer
    x = 112,253,038.15

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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.