Home / 209,915,192.06-289,787,841.36-130,555,833.32

Finding the Fourth Proportional to 209,915,192.06, 289,787,841.36 and 130,555,833.32

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Solution

The fourth proportional to 209,915,192.06, 289,787,841.36 and 130,555,833.32 is: 180,232,277.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,915,192.06 : 289,787,841.36 = 130,555,833.32 : x
  2. Step 2: Convert to fraction form
    209,915,192.06/289,787,841.36 = 130,555,833.32/x
  3. Step 3: Cross multiply
    209,915,192.06x = 289,787,841.36 × 130,555,833.32
  4. Step 4: Simplify right side
    209,915,192.06x = 37,833,493,114,758,760
  5. Step 5: Solve for x
    x = 37,833,493,114,758,760/209,915,192.06
  6. Step 6: Final answer
    x = 180,232,277.35

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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.