Home / 42,286,364.30-63,429,546.45-20,763,003.80

Finding the Fourth Proportional to 42,286,364.30, 63,429,546.45 and 20,763,003.80

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Solution

The fourth proportional to 42,286,364.30, 63,429,546.45 and 20,763,003.80 is: 31,144,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,286,364.30 : 63,429,546.45 = 20,763,003.80 : x
  2. Step 2: Convert to fraction form
    42,286,364.30/63,429,546.45 = 20,763,003.80/x
  3. Step 3: Cross multiply
    42,286,364.30x = 63,429,546.45 × 20,763,003.80
  4. Step 4: Simplify right side
    42,286,364.30x = 1,316,987,913,973,626.50
  5. Step 5: Solve for x
    x = 1,316,987,913,973,626.50/42,286,364.30
  6. Step 6: Final answer
    x = 31,144,505.70

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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.