Home / 79,439,980.30-119,159,970.45-49,206,892.30

Finding the Fourth Proportional to 79,439,980.30, 119,159,970.45 and 49,206,892.30

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Solution

The fourth proportional to 79,439,980.30, 119,159,970.45 and 49,206,892.30 is: 73,810,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,439,980.30 : 119,159,970.45 = 49,206,892.30 : x
  2. Step 2: Convert to fraction form
    79,439,980.30/119,159,970.45 = 49,206,892.30/x
  3. Step 3: Cross multiply
    79,439,980.30x = 119,159,970.45 × 49,206,892.30
  4. Step 4: Simplify right side
    79,439,980.30x = 5,863,491,832,404,332
  5. Step 5: Solve for x
    x = 5,863,491,832,404,332/79,439,980.30
  6. Step 6: Final answer
    x = 73,810,338.45

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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.