Home / 151,191,555.84-208,654,833.43-91,655,361.28

Finding the Fourth Proportional to 151,191,555.84, 208,654,833.43 and 91,655,361.28

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Solution

The fourth proportional to 151,191,555.84, 208,654,833.43 and 91,655,361.28 is: 126,490,755.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,191,555.84 : 208,654,833.43 = 91,655,361.28 : x
  2. Step 2: Convert to fraction form
    151,191,555.84/208,654,833.43 = 91,655,361.28/x
  3. Step 3: Cross multiply
    151,191,555.84x = 208,654,833.43 × 91,655,361.28
  4. Step 4: Simplify right side
    151,191,555.84x = 19,124,334,140,844,872
  5. Step 5: Solve for x
    x = 19,124,334,140,844,872/151,191,555.84
  6. Step 6: Final answer
    x = 126,490,755.62

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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.