Home / 157,176,138-216,917,741.16-91,986,093.84

Finding the Fourth Proportional to 157,176,138, 216,917,741.16 and 91,986,093.84

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Solution

The fourth proportional to 157,176,138, 216,917,741.16 and 91,986,093.84 is: 126,949,395.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,176,138 : 216,917,741.16 = 91,986,093.84 : x
  2. Step 2: Convert to fraction form
    157,176,138/216,917,741.16 = 91,986,093.84/x
  3. Step 3: Cross multiply
    157,176,138x = 216,917,741.16 × 91,986,093.84
  4. Step 4: Simplify right side
    157,176,138x = 19,953,415,693,904,592
  5. Step 5: Solve for x
    x = 19,953,415,693,904,592/157,176,138
  6. Step 6: Final answer
    x = 126,949,395.42

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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.