Home / 193,130,500.72-266,521,988.78-105,026,412.94

Finding the Fourth Proportional to 193,130,500.72, 266,521,988.78 and 105,026,412.94

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Solution

The fourth proportional to 193,130,500.72, 266,521,988.78 and 105,026,412.94 is: 144,937,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,130,500.72 : 266,521,988.78 = 105,026,412.94 : x
  2. Step 2: Convert to fraction form
    193,130,500.72/266,521,988.78 = 105,026,412.94/x
  3. Step 3: Cross multiply
    193,130,500.72x = 266,521,988.78 × 105,026,412.94
  4. Step 4: Simplify right side
    193,130,500.72x = 27,991,848,450,673,196
  5. Step 5: Solve for x
    x = 27,991,848,450,673,196/193,130,500.72
  6. Step 6: Final answer
    x = 144,937,481.89

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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.