Home / 186,313,927.86-257,108,791.80-101,543,723.38

Finding the Fourth Proportional to 186,313,927.86, 257,108,791.80 and 101,543,723.38

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Solution

The fourth proportional to 186,313,927.86, 257,108,791.80 and 101,543,723.38 is: 140,127,924.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,313,927.86 : 257,108,791.80 = 101,543,723.38 : x
  2. Step 2: Convert to fraction form
    186,313,927.86/257,108,791.80 = 101,543,723.38/x
  3. Step 3: Cross multiply
    186,313,927.86x = 257,108,791.80 × 101,543,723.38
  4. Step 4: Simplify right side
    186,313,927.86x = 26,107,784,033,105,212
  5. Step 5: Solve for x
    x = 26,107,784,033,105,212/186,313,927.86
  6. Step 6: Final answer
    x = 140,127,924.59

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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.