Home / 199,590,568.05-299,385,852.08-90,468,016.05

Finding the Fourth Proportional to 199,590,568.05, 299,385,852.08 and 90,468,016.05

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Solution

The fourth proportional to 199,590,568.05, 299,385,852.08 and 90,468,016.05 is: 135,702,024.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,590,568.05 : 299,385,852.08 = 90,468,016.05 : x
  2. Step 2: Convert to fraction form
    199,590,568.05/299,385,852.08 = 90,468,016.05/x
  3. Step 3: Cross multiply
    199,590,568.05x = 299,385,852.08 × 90,468,016.05
  4. Step 4: Simplify right side
    199,590,568.05x = 27,084,844,070,664,024
  5. Step 5: Solve for x
    x = 27,084,844,070,664,024/199,590,568.05
  6. Step 6: Final answer
    x = 135,702,024.08

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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.