Home / 288,273,831.56-432,484,484.76-83,801,906.81

Finding the Fourth Proportional to 288,273,831.56, 432,484,484.76 and 83,801,906.81

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Solution

The fourth proportional to 288,273,831.56, 432,484,484.76 and 83,801,906.81 is: 125,724,295.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,273,831.56 : 432,484,484.76 = 83,801,906.81 : x
  2. Step 2: Convert to fraction form
    288,273,831.56/432,484,484.76 = 83,801,906.81/x
  3. Step 3: Cross multiply
    288,273,831.56x = 432,484,484.76 × 83,801,906.81
  4. Step 4: Simplify right side
    288,273,831.56x = 36,243,024,488,628,384
  5. Step 5: Solve for x
    x = 36,243,024,488,628,384/288,273,831.56
  6. Step 6: Final answer
    x = 125,724,295.86

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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.