Home / 233,319,795.84-322,000,142.40-128,906,985.60

Finding the Fourth Proportional to 233,319,795.84, 322,000,142.40 and 128,906,985.60

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Solution

The fourth proportional to 233,319,795.84, 322,000,142.40 and 128,906,985.60 is: 177,902,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,319,795.84 : 322,000,142.40 = 128,906,985.60 : x
  2. Step 2: Convert to fraction form
    233,319,795.84/322,000,142.40 = 128,906,985.60/x
  3. Step 3: Cross multiply
    233,319,795.84x = 322,000,142.40 × 128,906,985.60
  4. Step 4: Simplify right side
    233,319,795.84x = 41,508,067,719,554,744
  5. Step 5: Solve for x
    x = 41,508,067,719,554,744/233,319,795.84
  6. Step 6: Final answer
    x = 177,902,040.29

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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.