Home / 193,537,013.52-290,347,557.42-70,715,133.60

Finding the Fourth Proportional to 193,537,013.52, 290,347,557.42 and 70,715,133.60

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Solution

The fourth proportional to 193,537,013.52, 290,347,557.42 and 70,715,133.60 is: 106,088,060.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,537,013.52 : 290,347,557.42 = 70,715,133.60 : x
  2. Step 2: Convert to fraction form
    193,537,013.52/290,347,557.42 = 70,715,133.60/x
  3. Step 3: Cross multiply
    193,537,013.52x = 290,347,557.42 × 70,715,133.60
  4. Step 4: Simplify right side
    193,537,013.52x = 20,531,966,313,388,972
  5. Step 5: Solve for x
    x = 20,531,966,313,388,972/193,537,013.52
  6. Step 6: Final answer
    x = 106,088,060.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.