Home / 119,912,802.52-179,857,098.72-81,299,185.20

Finding the Fourth Proportional to 119,912,802.52, 179,857,098.72 and 81,299,185.20

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Solution

The fourth proportional to 119,912,802.52, 179,857,098.72 and 81,299,185.20 is: 121,940,570.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,912,802.52 : 179,857,098.72 = 81,299,185.20 : x
  2. Step 2: Convert to fraction form
    119,912,802.52/179,857,098.72 = 81,299,185.20/x
  3. Step 3: Cross multiply
    119,912,802.52x = 179,857,098.72 × 81,299,185.20
  4. Step 4: Simplify right side
    119,912,802.52x = 14,622,235,578,371,964
  5. Step 5: Solve for x
    x = 14,622,235,578,371,964/119,912,802.52
  6. Step 6: Final answer
    x = 121,940,570.74

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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.