Home / 100,582,013.82-151,545,133.23-90,877,906.02

Finding the Fourth Proportional to 100,582,013.82, 151,545,133.23 and 90,877,906.02

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Solution

The fourth proportional to 100,582,013.82, 151,545,133.23 and 90,877,906.02 is: 136,924,126.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,582,013.82 : 151,545,133.23 = 90,877,906.02 : x
  2. Step 2: Convert to fraction form
    100,582,013.82/151,545,133.23 = 90,877,906.02/x
  3. Step 3: Cross multiply
    100,582,013.82x = 151,545,133.23 × 90,877,906.02
  4. Step 4: Simplify right side
    100,582,013.82x = 13,772,104,375,464,318
  5. Step 5: Solve for x
    x = 13,772,104,375,464,318/100,582,013.82
  6. Step 6: Final answer
    x = 136,924,126.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.