Home / 200,810,432.80-301,215,649.20-139,588,429.60

Finding the Fourth Proportional to 200,810,432.80, 301,215,649.20 and 139,588,429.60

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Solution

The fourth proportional to 200,810,432.80, 301,215,649.20 and 139,588,429.60 is: 209,382,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,810,432.80 : 301,215,649.20 = 139,588,429.60 : x
  2. Step 2: Convert to fraction form
    200,810,432.80/301,215,649.20 = 139,588,429.60/x
  3. Step 3: Cross multiply
    200,810,432.80x = 301,215,649.20 × 139,588,429.60
  4. Step 4: Simplify right side
    200,810,432.80x = 42,046,219,442,772,496
  5. Step 5: Solve for x
    x = 42,046,219,442,772,496/200,810,432.80
  6. Step 6: Final answer
    x = 209,382,644.40

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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.