Home / 141,728,992.13-195,586,011.87-76,538,896.13

Finding the Fourth Proportional to 141,728,992.13, 195,586,011.87 and 76,538,896.13

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Solution

The fourth proportional to 141,728,992.13, 195,586,011.87 and 76,538,896.13 is: 105,623,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,728,992.13 : 195,586,011.87 = 76,538,896.13 : x
  2. Step 2: Convert to fraction form
    141,728,992.13/195,586,011.87 = 76,538,896.13/x
  3. Step 3: Cross multiply
    141,728,992.13x = 195,586,011.87 × 76,538,896.13
  4. Step 4: Simplify right side
    141,728,992.13x = 14,969,937,446,020,948
  5. Step 5: Solve for x
    x = 14,969,937,446,020,948/141,728,992.13
  6. Step 6: Final answer
    x = 105,623,678.13

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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.