Home / 151,758,796.58-209,339,723.76-91,365,749.66

Finding the Fourth Proportional to 151,758,796.58, 209,339,723.76 and 91,365,749.66

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Solution

The fourth proportional to 151,758,796.58, 209,339,723.76 and 91,365,749.66 is: 126,032,106.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,758,796.58 : 209,339,723.76 = 91,365,749.66 : x
  2. Step 2: Convert to fraction form
    151,758,796.58/209,339,723.76 = 91,365,749.66/x
  3. Step 3: Cross multiply
    151,758,796.58x = 209,339,723.76 × 91,365,749.66
  4. Step 4: Simplify right side
    151,758,796.58x = 19,126,480,793,903,016
  5. Step 5: Solve for x
    x = 19,126,480,793,903,016/151,758,796.58
  6. Step 6: Final answer
    x = 126,032,106.38

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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.