Home / 234,552,694.79-323,676,556.10-128,705,784.91

Finding the Fourth Proportional to 234,552,694.79, 323,676,556.10 and 128,705,784.91

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Solution

The fourth proportional to 234,552,694.79, 323,676,556.10 and 128,705,784.91 is: 177,610,601.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,552,694.79 : 323,676,556.10 = 128,705,784.91 : x
  2. Step 2: Convert to fraction form
    234,552,694.79/323,676,556.10 = 128,705,784.91/x
  3. Step 3: Cross multiply
    234,552,694.79x = 323,676,556.10 × 128,705,784.91
  4. Step 4: Simplify right side
    234,552,694.79x = 41,659,045,209,816,152
  5. Step 5: Solve for x
    x = 41,659,045,209,816,152/234,552,694.79
  6. Step 6: Final answer
    x = 177,610,601.52

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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.