Home / 57,079,264.23-78,769,596.69-30,973,787.46

Finding the Fourth Proportional to 57,079,264.23, 78,769,596.69 and 30,973,787.46

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Solution

The fourth proportional to 57,079,264.23, 78,769,596.69 and 30,973,787.46 is: 42,743,941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,079,264.23 : 78,769,596.69 = 30,973,787.46 : x
  2. Step 2: Convert to fraction form
    57,079,264.23/78,769,596.69 = 30,973,787.46/x
  3. Step 3: Cross multiply
    57,079,264.23x = 78,769,596.69 × 30,973,787.46
  4. Step 4: Simplify right side
    57,079,264.23x = 2,439,792,746,185,979.50
  5. Step 5: Solve for x
    x = 2,439,792,746,185,979.50/57,079,264.23
  6. Step 6: Final answer
    x = 42,743,941.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.