Home / 221,435,613.80-332,153,420.70-164,039,985.80

Finding the Fourth Proportional to 221,435,613.80, 332,153,420.70 and 164,039,985.80

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Solution

The fourth proportional to 221,435,613.80, 332,153,420.70 and 164,039,985.80 is: 246,059,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,435,613.80 : 332,153,420.70 = 164,039,985.80 : x
  2. Step 2: Convert to fraction form
    221,435,613.80/332,153,420.70 = 164,039,985.80/x
  3. Step 3: Cross multiply
    221,435,613.80x = 332,153,420.70 × 164,039,985.80
  4. Step 4: Simplify right side
    221,435,613.80x = 54,486,442,415,049,432
  5. Step 5: Solve for x
    x = 54,486,442,415,049,432/221,435,613.80
  6. Step 6: Final answer
    x = 246,059,978.70

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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.