Home / 151,191,558.84-208,654,837.58-91,655,364.28

Finding the Fourth Proportional to 151,191,558.84, 208,654,837.58 and 91,655,364.28

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Solution

The fourth proportional to 151,191,558.84, 208,654,837.58 and 91,655,364.28 is: 126,490,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,191,558.84 : 208,654,837.58 = 91,655,364.28 : x
  2. Step 2: Convert to fraction form
    151,191,558.84/208,654,837.58 = 91,655,364.28/x
  3. Step 3: Cross multiply
    151,191,558.84x = 208,654,837.58 × 91,655,364.28
  4. Step 4: Simplify right side
    151,191,558.84x = 19,124,335,147,179,136
  5. Step 5: Solve for x
    x = 19,124,335,147,179,136/151,191,558.84
  6. Step 6: Final answer
    x = 126,490,759.76

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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.