Home / 47,416,986.40-71,178,623.70-36,681,878.20

Finding the Fourth Proportional to 47,416,986.40, 71,178,623.70 and 36,681,878.20

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Solution

The fourth proportional to 47,416,986.40, 71,178,623.70 and 36,681,878.20 is: 55,063,929.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,416,986.40 : 71,178,623.70 = 36,681,878.20 : x
  2. Step 2: Convert to fraction form
    47,416,986.40/71,178,623.70 = 36,681,878.20/x
  3. Step 3: Cross multiply
    47,416,986.40x = 71,178,623.70 × 36,681,878.20
  4. Step 4: Simplify right side
    47,416,986.40x = 2,610,965,605,007,033.50
  5. Step 5: Solve for x
    x = 2,610,965,605,007,033.50/47,416,986.40
  6. Step 6: Final answer
    x = 55,063,929.69

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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.