Home / 118,465,400.70-177,698,101.05-98,310,008.70

Finding the Fourth Proportional to 118,465,400.70, 177,698,101.05 and 98,310,008.70

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Solution

The fourth proportional to 118,465,400.70, 177,698,101.05 and 98,310,008.70 is: 147,465,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,465,400.70 : 177,698,101.05 = 98,310,008.70 : x
  2. Step 2: Convert to fraction form
    118,465,400.70/177,698,101.05 = 98,310,008.70/x
  3. Step 3: Cross multiply
    118,465,400.70x = 177,698,101.05 × 98,310,008.70
  4. Step 4: Simplify right side
    118,465,400.70x = 17,469,501,860,198,980
  5. Step 5: Solve for x
    x = 17,469,501,860,198,980/118,465,400.70
  6. Step 6: Final answer
    x = 147,465,013.05

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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.