Home / 116,640,601.80-174,960,902.70-86,407,513.80

Finding the Fourth Proportional to 116,640,601.80, 174,960,902.70 and 86,407,513.80

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Solution

The fourth proportional to 116,640,601.80, 174,960,902.70 and 86,407,513.80 is: 129,611,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,640,601.80 : 174,960,902.70 = 86,407,513.80 : x
  2. Step 2: Convert to fraction form
    116,640,601.80/174,960,902.70 = 86,407,513.80/x
  3. Step 3: Cross multiply
    116,640,601.80x = 174,960,902.70 × 86,407,513.80
  4. Step 4: Simplify right side
    116,640,601.80x = 15,117,936,614,510,706
  5. Step 5: Solve for x
    x = 15,117,936,614,510,706/116,640,601.80
  6. Step 6: Final answer
    x = 129,611,270.70

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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.