Home / 70,727,807.80-106,091,736.24-31,820,820.83

Finding the Fourth Proportional to 70,727,807.80, 106,091,736.24 and 31,820,820.83

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Solution

The fourth proportional to 70,727,807.80, 106,091,736.24 and 31,820,820.83 is: 47,731,242.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,727,807.80 : 106,091,736.24 = 31,820,820.83 : x
  2. Step 2: Convert to fraction form
    70,727,807.80/106,091,736.24 = 31,820,820.83/x
  3. Step 3: Cross multiply
    70,727,807.80x = 106,091,736.24 × 31,820,820.83
  4. Step 4: Simplify right side
    70,727,807.80x = 3,375,926,130,436,657.50
  5. Step 5: Solve for x
    x = 3,375,926,130,436,657.50/70,727,807.80
  6. Step 6: Final answer
    x = 47,731,242.28

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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.