Home / 42,409,463.20-63,614,194.80-19,682,807.20

Finding the Fourth Proportional to 42,409,463.20, 63,614,194.80 and 19,682,807.20

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Solution

The fourth proportional to 42,409,463.20, 63,614,194.80 and 19,682,807.20 is: 29,524,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,409,463.20 : 63,614,194.80 = 19,682,807.20 : x
  2. Step 2: Convert to fraction form
    42,409,463.20/63,614,194.80 = 19,682,807.20/x
  3. Step 3: Cross multiply
    42,409,463.20x = 63,614,194.80 × 19,682,807.20
  4. Step 4: Simplify right side
    42,409,463.20x = 1,252,105,931,431,642.50
  5. Step 5: Solve for x
    x = 1,252,105,931,431,642.50/42,409,463.20
  6. Step 6: Final answer
    x = 29,524,210.80

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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.