Home / 47,320,855.20-70,981,282.80-30,314,743.20

Finding the Fourth Proportional to 47,320,855.20, 70,981,282.80 and 30,314,743.20

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Solution

The fourth proportional to 47,320,855.20, 70,981,282.80 and 30,314,743.20 is: 45,472,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,320,855.20 : 70,981,282.80 = 30,314,743.20 : x
  2. Step 2: Convert to fraction form
    47,320,855.20/70,981,282.80 = 30,314,743.20/x
  3. Step 3: Cross multiply
    47,320,855.20x = 70,981,282.80 × 30,314,743.20
  4. Step 4: Simplify right side
    47,320,855.20x = 2,151,779,360,088,576.75
  5. Step 5: Solve for x
    x = 2,151,779,360,088,576.75/47,320,855.20
  6. Step 6: Final answer
    x = 45,472,114.80

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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.