Home / 147,309,141.08-203,298,717.48-81,242,561

Finding the Fourth Proportional to 147,309,141.08, 203,298,717.48 and 81,242,561

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Solution

The fourth proportional to 147,309,141.08, 203,298,717.48 and 81,242,561 is: 112,121,409.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,309,141.08 : 203,298,717.48 = 81,242,561 : x
  2. Step 2: Convert to fraction form
    147,309,141.08/203,298,717.48 = 81,242,561/x
  3. Step 3: Cross multiply
    147,309,141.08x = 203,298,717.48 × 81,242,561
  4. Step 4: Simplify right side
    147,309,141.08x = 16,516,508,456,090,666
  5. Step 5: Solve for x
    x = 16,516,508,456,090,666/147,309,141.08
  6. Step 6: Final answer
    x = 112,121,409.00

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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.