Home / 118,332,811.78-163,315,502.40-68,095,997.93

Finding the Fourth Proportional to 118,332,811.78, 163,315,502.40 and 68,095,997.93

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Solution

The fourth proportional to 118,332,811.78, 163,315,502.40 and 68,095,997.93 is: 93,981,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,332,811.78 : 163,315,502.40 = 68,095,997.93 : x
  2. Step 2: Convert to fraction form
    118,332,811.78/163,315,502.40 = 68,095,997.93/x
  3. Step 3: Cross multiply
    118,332,811.78x = 163,315,502.40 × 68,095,997.93
  4. Step 4: Simplify right side
    118,332,811.78x = 11,121,132,114,030,960
  5. Step 5: Solve for x
    x = 11,121,132,114,030,960/118,332,811.78
  6. Step 6: Final answer
    x = 93,981,812.37

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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.