Home / 210,384,003.90-315,576,005.85-118,550,999.10

Finding the Fourth Proportional to 210,384,003.90, 315,576,005.85 and 118,550,999.10

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Solution

The fourth proportional to 210,384,003.90, 315,576,005.85 and 118,550,999.10 is: 177,826,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,384,003.90 : 315,576,005.85 = 118,550,999.10 : x
  2. Step 2: Convert to fraction form
    210,384,003.90/315,576,005.85 = 118,550,999.10/x
  3. Step 3: Cross multiply
    210,384,003.90x = 315,576,005.85 × 118,550,999.10
  4. Step 4: Simplify right side
    210,384,003.90x = 37,411,850,785,504,944
  5. Step 5: Solve for x
    x = 37,411,850,785,504,944/210,384,003.90
  6. Step 6: Final answer
    x = 177,826,498.65

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1.5x scale

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.