Home / 194,746,727.80-292,120,091.70-122,187,316.60

Finding the Fourth Proportional to 194,746,727.80, 292,120,091.70 and 122,187,316.60

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Solution

The fourth proportional to 194,746,727.80, 292,120,091.70 and 122,187,316.60 is: 183,280,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,746,727.80 : 292,120,091.70 = 122,187,316.60 : x
  2. Step 2: Convert to fraction form
    194,746,727.80/292,120,091.70 = 122,187,316.60/x
  3. Step 3: Cross multiply
    194,746,727.80x = 292,120,091.70 × 122,187,316.60
  4. Step 4: Simplify right side
    194,746,727.80x = 35,693,370,129,768,928
  5. Step 5: Solve for x
    x = 35,693,370,129,768,928/194,746,727.80
  6. Step 6: Final answer
    x = 183,280,974.90

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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.