Home / 209,307,767.50-288,844,719.15-116,510,197.29

Finding the Fourth Proportional to 209,307,767.50, 288,844,719.15 and 116,510,197.29

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Solution

The fourth proportional to 209,307,767.50, 288,844,719.15 and 116,510,197.29 is: 160,784,072.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,307,767.50 : 288,844,719.15 = 116,510,197.29 : x
  2. Step 2: Convert to fraction form
    209,307,767.50/288,844,719.15 = 116,510,197.29/x
  3. Step 3: Cross multiply
    209,307,767.50x = 288,844,719.15 × 116,510,197.29
  4. Step 4: Simplify right side
    209,307,767.50x = 33,653,355,214,341,140
  5. Step 5: Solve for x
    x = 33,653,355,214,341,140/209,307,767.50
  6. Step 6: Final answer
    x = 160,784,072.26

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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.