Home / 56,133,743.40-84,200,615.10-53,015,956.20

Finding the Fourth Proportional to 56,133,743.40, 84,200,615.10 and 53,015,956.20

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Solution

The fourth proportional to 56,133,743.40, 84,200,615.10 and 53,015,956.20 is: 79,523,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,133,743.40 : 84,200,615.10 = 53,015,956.20 : x
  2. Step 2: Convert to fraction form
    56,133,743.40/84,200,615.10 = 53,015,956.20/x
  3. Step 3: Cross multiply
    56,133,743.40x = 84,200,615.10 × 53,015,956.20
  4. Step 4: Simplify right side
    56,133,743.40x = 4,463,976,122,154,658.50
  5. Step 5: Solve for x
    x = 4,463,976,122,154,658.50/56,133,743.40
  6. Step 6: Final answer
    x = 79,523,934.30

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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.