Home / 216,021,320.90-298,110,175.56-116,902,043.44

Finding the Fourth Proportional to 216,021,320.90, 298,110,175.56 and 116,902,043.44

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Solution

The fourth proportional to 216,021,320.90, 298,110,175.56 and 116,902,043.44 is: 161,325,227.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,021,320.90 : 298,110,175.56 = 116,902,043.44 : x
  2. Step 2: Convert to fraction form
    216,021,320.90/298,110,175.56 = 116,902,043.44/x
  3. Step 3: Cross multiply
    216,021,320.90x = 298,110,175.56 × 116,902,043.44
  4. Step 4: Simplify right side
    216,021,320.90x = 34,849,688,693,221,144
  5. Step 5: Solve for x
    x = 34,849,688,693,221,144/216,021,320.90
  6. Step 6: Final answer
    x = 161,325,227.29

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1.5x scale

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.