Home / 70,238,124.12-105,393,513.66-50,966,238.84

Finding the Fourth Proportional to 70,238,124.12, 105,393,513.66 and 50,966,238.84

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Solution

The fourth proportional to 70,238,124.12, 105,393,513.66 and 50,966,238.84 is: 76,475,718.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,238,124.12 : 105,393,513.66 = 50,966,238.84 : x
  2. Step 2: Convert to fraction form
    70,238,124.12/105,393,513.66 = 50,966,238.84/x
  3. Step 3: Cross multiply
    70,238,124.12x = 105,393,513.66 × 50,966,238.84
  4. Step 4: Simplify right side
    70,238,124.12x = 5,371,510,989,382,363
  5. Step 5: Solve for x
    x = 5,371,510,989,382,363/70,238,124.12
  6. Step 6: Final answer
    x = 76,475,718.23

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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.