Home / 205,337,758.38-308,007,162.63-51,983,831.22

Finding the Fourth Proportional to 205,337,758.38, 308,007,162.63 and 51,983,831.22

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Solution

The fourth proportional to 205,337,758.38, 308,007,162.63 and 51,983,831.22 is: 77,975,879.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,337,758.38 : 308,007,162.63 = 51,983,831.22 : x
  2. Step 2: Convert to fraction form
    205,337,758.38/308,007,162.63 = 51,983,831.22/x
  3. Step 3: Cross multiply
    205,337,758.38x = 308,007,162.63 × 51,983,831.22
  4. Step 4: Simplify right side
    205,337,758.38x = 16,011,392,356,709,010
  5. Step 5: Solve for x
    x = 16,011,392,356,709,010/205,337,758.38
  6. Step 6: Final answer
    x = 77,975,879.76

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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.