Home / 136,635,331.20-204,952,996.80-123,455,594.40

Finding the Fourth Proportional to 136,635,331.20, 204,952,996.80 and 123,455,594.40

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Solution

The fourth proportional to 136,635,331.20, 204,952,996.80 and 123,455,594.40 is: 185,183,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,635,331.20 : 204,952,996.80 = 123,455,594.40 : x
  2. Step 2: Convert to fraction form
    136,635,331.20/204,952,996.80 = 123,455,594.40/x
  3. Step 3: Cross multiply
    136,635,331.20x = 204,952,996.80 × 123,455,594.40
  4. Step 4: Simplify right side
    136,635,331.20x = 25,302,594,044,005,300
  5. Step 5: Solve for x
    x = 25,302,594,044,005,300/136,635,331.20
  6. Step 6: Final answer
    x = 185,183,391.60

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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.