Home / 76,130,007.30-114,199,411.68-21,538,019.88

Finding the Fourth Proportional to 76,130,007.30, 114,199,411.68 and 21,538,019.88

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Solution

The fourth proportional to 76,130,007.30, 114,199,411.68 and 21,538,019.88 is: 32,308,274.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,130,007.30 : 114,199,411.68 = 21,538,019.88 : x
  2. Step 2: Convert to fraction form
    76,130,007.30/114,199,411.68 = 21,538,019.88/x
  3. Step 3: Cross multiply
    76,130,007.30x = 114,199,411.68 × 21,538,019.88
  4. Step 4: Simplify right side
    76,130,007.30x = 2,459,629,199,048,144
  5. Step 5: Solve for x
    x = 2,459,629,199,048,144/76,130,007.30
  6. Step 6: Final answer
    x = 32,308,274.84

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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.