Home / 72,864,904.34-109,230,096.26-36,441,599.78

Finding the Fourth Proportional to 72,864,904.34, 109,230,096.26 and 36,441,599.78

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Solution

The fourth proportional to 72,864,904.34, 109,230,096.26 and 36,441,599.78 is: 54,628,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,864,904.34 : 109,230,096.26 = 36,441,599.78 : x
  2. Step 2: Convert to fraction form
    72,864,904.34/109,230,096.26 = 36,441,599.78/x
  3. Step 3: Cross multiply
    72,864,904.34x = 109,230,096.26 × 36,441,599.78
  4. Step 4: Simplify right side
    72,864,904.34x = 3,980,519,451,837,795
  5. Step 5: Solve for x
    x = 3,980,519,451,837,795/72,864,904.34
  6. Step 6: Final answer
    x = 54,628,761.10

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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.