Home / 80,097,986.16-119,951,020.80-72,334,431

Finding the Fourth Proportional to 80,097,986.16, 119,951,020.80 and 72,334,431

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Solution

The fourth proportional to 80,097,986.16, 119,951,020.80 and 72,334,431 is: 108,324,681.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,097,986.16 : 119,951,020.80 = 72,334,431 : x
  2. Step 2: Convert to fraction form
    80,097,986.16/119,951,020.80 = 72,334,431/x
  3. Step 3: Cross multiply
    80,097,986.16x = 119,951,020.80 × 72,334,431
  4. Step 4: Simplify right side
    80,097,986.16x = 8,676,588,837,437,165
  5. Step 5: Solve for x
    x = 8,676,588,837,437,165/80,097,986.16
  6. Step 6: Final answer
    x = 108,324,681.47

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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.