Home / 147,109,502.66-203,011,112.90-85,265,713.49

Finding the Fourth Proportional to 147,109,502.66, 203,011,112.90 and 85,265,713.49

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Solution

The fourth proportional to 147,109,502.66, 203,011,112.90 and 85,265,713.49 is: 117,666,684.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,109,502.66 : 203,011,112.90 = 85,265,713.49 : x
  2. Step 2: Convert to fraction form
    147,109,502.66/203,011,112.90 = 85,265,713.49/x
  3. Step 3: Cross multiply
    147,109,502.66x = 203,011,112.90 × 85,265,713.49
  4. Step 4: Simplify right side
    147,109,502.66x = 17,309,887,387,015,552
  5. Step 5: Solve for x
    x = 17,309,887,387,015,552/147,109,502.66
  6. Step 6: Final answer
    x = 117,666,684.17

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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.