Home / 128,178,474.29-192,267,713.65-31,133,527.96

Finding the Fourth Proportional to 128,178,474.29, 192,267,713.65 and 31,133,527.96

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Solution

The fourth proportional to 128,178,474.29, 192,267,713.65 and 31,133,527.96 is: 46,700,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,178,474.29 : 192,267,713.65 = 31,133,527.96 : x
  2. Step 2: Convert to fraction form
    128,178,474.29/192,267,713.65 = 31,133,527.96/x
  3. Step 3: Cross multiply
    128,178,474.29x = 192,267,713.65 × 31,133,527.96
  4. Step 4: Simplify right side
    128,178,474.29x = 5,985,972,237,864,267
  5. Step 5: Solve for x
    x = 5,985,972,237,864,267/128,178,474.29
  6. Step 6: Final answer
    x = 46,700,292.47

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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.