Home / 81,890,310.49-122,896,473.59-60,087,030.73

Finding the Fourth Proportional to 81,890,310.49, 122,896,473.59 and 60,087,030.73

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Solution

The fourth proportional to 81,890,310.49, 122,896,473.59 and 60,087,030.73 is: 90,175,310.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,890,310.49 : 122,896,473.59 = 60,087,030.73 : x
  2. Step 2: Convert to fraction form
    81,890,310.49/122,896,473.59 = 60,087,030.73/x
  3. Step 3: Cross multiply
    81,890,310.49x = 122,896,473.59 × 60,087,030.73
  4. Step 4: Simplify right side
    81,890,310.49x = 7,384,484,185,210,963
  5. Step 5: Solve for x
    x = 7,384,484,185,210,963/81,890,310.49
  6. Step 6: Final answer
    x = 90,175,310.62

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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.