Home / 118,754,330.80-178,131,496.20-42,085,109.20

Finding the Fourth Proportional to 118,754,330.80, 178,131,496.20 and 42,085,109.20

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Solution

The fourth proportional to 118,754,330.80, 178,131,496.20 and 42,085,109.20 is: 63,127,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,754,330.80 : 178,131,496.20 = 42,085,109.20 : x
  2. Step 2: Convert to fraction form
    118,754,330.80/178,131,496.20 = 42,085,109.20/x
  3. Step 3: Cross multiply
    118,754,330.80x = 178,131,496.20 × 42,085,109.20
  4. Step 4: Simplify right side
    118,754,330.80x = 7,496,683,469,536,385
  5. Step 5: Solve for x
    x = 7,496,683,469,536,385/118,754,330.80
  6. Step 6: Final answer
    x = 63,127,663.80

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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.