Home / 192,456,009.80-288,684,014.70-56,141,393.30

Finding the Fourth Proportional to 192,456,009.80, 288,684,014.70 and 56,141,393.30

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Solution

The fourth proportional to 192,456,009.80, 288,684,014.70 and 56,141,393.30 is: 84,212,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,456,009.80 : 288,684,014.70 = 56,141,393.30 : x
  2. Step 2: Convert to fraction form
    192,456,009.80/288,684,014.70 = 56,141,393.30/x
  3. Step 3: Cross multiply
    192,456,009.80x = 288,684,014.70 × 56,141,393.30
  4. Step 4: Simplify right side
    192,456,009.80x = 16,207,122,808,695,680
  5. Step 5: Solve for x
    x = 16,207,122,808,695,680/192,456,009.80
  6. Step 6: Final answer
    x = 84,212,089.95

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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.