Home / 328,032,139.10-492,048,208.65-133,879,027.10

Finding the Fourth Proportional to 328,032,139.10, 492,048,208.65 and 133,879,027.10

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Solution

The fourth proportional to 328,032,139.10, 492,048,208.65 and 133,879,027.10 is: 200,818,540.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,032,139.10 : 492,048,208.65 = 133,879,027.10 : x
  2. Step 2: Convert to fraction form
    328,032,139.10/492,048,208.65 = 133,879,027.10/x
  3. Step 3: Cross multiply
    328,032,139.10x = 492,048,208.65 × 133,879,027.10
  4. Step 4: Simplify right side
    328,032,139.10x = 65,874,935,460,359,800
  5. Step 5: Solve for x
    x = 65,874,935,460,359,800/328,032,139.10
  6. Step 6: Final answer
    x = 200,818,540.65

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Double scale
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Similar ratio
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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.