Home / 209,307,766.50-288,844,717.77-116,510,196.29

Finding the Fourth Proportional to 209,307,766.50, 288,844,717.77 and 116,510,196.29

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Solution

The fourth proportional to 209,307,766.50, 288,844,717.77 and 116,510,196.29 is: 160,784,070.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,307,766.50 : 288,844,717.77 = 116,510,196.29 : x
  2. Step 2: Convert to fraction form
    209,307,766.50/288,844,717.77 = 116,510,196.29/x
  3. Step 3: Cross multiply
    209,307,766.50x = 288,844,717.77 × 116,510,196.29
  4. Step 4: Simplify right side
    209,307,766.50x = 33,653,354,763,268,124
  5. Step 5: Solve for x
    x = 33,653,354,763,268,124/209,307,766.50
  6. Step 6: Final answer
    x = 160,784,070.87

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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.