Home / 157,876,584.70-217,845,483.02-90,882,592.97

Finding the Fourth Proportional to 157,876,584.70, 217,845,483.02 and 90,882,592.97

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Solution

The fourth proportional to 157,876,584.70, 217,845,483.02 and 90,882,592.97 is: 125,404,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,876,584.70 : 217,845,483.02 = 90,882,592.97 : x
  2. Step 2: Convert to fraction form
    157,876,584.70/217,845,483.02 = 90,882,592.97/x
  3. Step 3: Cross multiply
    157,876,584.70x = 217,845,483.02 × 90,882,592.97
  4. Step 4: Simplify right side
    157,876,584.70x = 19,798,362,363,273,796
  5. Step 5: Solve for x
    x = 19,798,362,363,273,796/157,876,584.70
  6. Step 6: Final answer
    x = 125,404,045.20

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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.