Home / 206,844,334.40-310,266,501.60-120,680,033.60

Finding the Fourth Proportional to 206,844,334.40, 310,266,501.60 and 120,680,033.60

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Solution

The fourth proportional to 206,844,334.40, 310,266,501.60 and 120,680,033.60 is: 181,020,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,844,334.40 : 310,266,501.60 = 120,680,033.60 : x
  2. Step 2: Convert to fraction form
    206,844,334.40/310,266,501.60 = 120,680,033.60/x
  3. Step 3: Cross multiply
    206,844,334.40x = 310,266,501.60 × 120,680,033.60
  4. Step 4: Simplify right side
    206,844,334.40x = 37,442,971,838,042,456
  5. Step 5: Solve for x
    x = 37,442,971,838,042,456/206,844,334.40
  6. Step 6: Final answer
    x = 181,020,050.40

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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.