Home / 210,222,612.80-288,000,165.21-202,362,811.82

Finding the Fourth Proportional to 210,222,612.80, 288,000,165.21 and 202,362,811.82

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Solution

The fourth proportional to 210,222,612.80, 288,000,165.21 and 202,362,811.82 is: 277,232,417.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,222,612.80 : 288,000,165.21 = 202,362,811.82 : x
  2. Step 2: Convert to fraction form
    210,222,612.80/288,000,165.21 = 202,362,811.82/x
  3. Step 3: Cross multiply
    210,222,612.80x = 288,000,165.21 × 202,362,811.82
  4. Step 4: Simplify right side
    210,222,612.80x = 58,280,523,235,508,320
  5. Step 5: Solve for x
    x = 58,280,523,235,508,320/210,222,612.80
  6. Step 6: Final answer
    x = 277,232,417.86

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.