Home / 157,426,140.40-217,253,476.20-91,341,648.88

Finding the Fourth Proportional to 157,426,140.40, 217,253,476.20 and 91,341,648.88

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Solution

The fourth proportional to 157,426,140.40, 217,253,476.20 and 91,341,648.88 is: 126,054,610.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,426,140.40 : 217,253,476.20 = 91,341,648.88 : x
  2. Step 2: Convert to fraction form
    157,426,140.40/217,253,476.20 = 91,341,648.88/x
  3. Step 3: Cross multiply
    157,426,140.40x = 217,253,476.20 × 91,341,648.88
  4. Step 4: Simplify right side
    157,426,140.40x = 19,844,290,741,019,836
  5. Step 5: Solve for x
    x = 19,844,290,741,019,836/157,426,140.40
  6. Step 6: Final answer
    x = 126,054,610.06

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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.