Home / 93,469,933.29-140,079,574.58-72,745,396.58

Finding the Fourth Proportional to 93,469,933.29, 140,079,574.58 and 72,745,396.58

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Solution

The fourth proportional to 93,469,933.29, 140,079,574.58 and 72,745,396.58 is: 109,020,557.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,469,933.29 : 140,079,574.58 = 72,745,396.58 : x
  2. Step 2: Convert to fraction form
    93,469,933.29/140,079,574.58 = 72,745,396.58/x
  3. Step 3: Cross multiply
    93,469,933.29x = 140,079,574.58 × 72,745,396.58
  4. Step 4: Simplify right side
    93,469,933.29x = 10,190,144,205,579,788
  5. Step 5: Solve for x
    x = 10,190,144,205,579,788/93,469,933.29
  6. Step 6: Final answer
    x = 109,020,557.17

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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.