Home / 210,384,310.40-315,576,465.60-118,551,305.60

Finding the Fourth Proportional to 210,384,310.40, 315,576,465.60 and 118,551,305.60

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Solution

The fourth proportional to 210,384,310.40, 315,576,465.60 and 118,551,305.60 is: 177,826,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,384,310.40 : 315,576,465.60 = 118,551,305.60 : x
  2. Step 2: Convert to fraction form
    210,384,310.40/315,576,465.60 = 118,551,305.60/x
  3. Step 3: Cross multiply
    210,384,310.40x = 315,576,465.60 × 118,551,305.60
  4. Step 4: Simplify right side
    210,384,310.40x = 37,412,002,013,513,488
  5. Step 5: Solve for x
    x = 37,412,002,013,513,488/210,384,310.40
  6. Step 6: Final answer
    x = 177,826,958.40

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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.