Home / 231,168,802.73-346,700,142.40-137,822,187.38

Finding the Fourth Proportional to 231,168,802.73, 346,700,142.40 and 137,822,187.38

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Solution

The fourth proportional to 231,168,802.73, 346,700,142.40 and 137,822,187.38 is: 206,701,645.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,168,802.73 : 346,700,142.40 = 137,822,187.38 : x
  2. Step 2: Convert to fraction form
    231,168,802.73/346,700,142.40 = 137,822,187.38/x
  3. Step 3: Cross multiply
    231,168,802.73x = 346,700,142.40 × 137,822,187.38
  4. Step 4: Simplify right side
    231,168,802.73x = 47,782,971,990,525,480
  5. Step 5: Solve for x
    x = 47,782,971,990,525,480/231,168,802.73
  6. Step 6: Final answer
    x = 206,701,645.84

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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.