Home / 156,933,514,446.64-235,209,029,807-81,344,992,463.80

Finding the Fourth Proportional to 156,933,514,446.64, 235,209,029,807 and 81,344,992,463.80

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Solution

The fourth proportional to 156,933,514,446.64, 235,209,029,807 and 81,344,992,463.80 is: 121,918,360,297.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,933,514,446.64 : 235,209,029,807 = 81,344,992,463.80 : x
  2. Step 2: Convert to fraction form
    156,933,514,446.64/235,209,029,807 = 81,344,992,463.80/x
  3. Step 3: Cross multiply
    156,933,514,446.64x = 235,209,029,807 × 81,344,992,463.80
  4. Step 4: Simplify right side
    156,933,514,446.64x = 19,133,076,757,068,126,355,456
  5. Step 5: Solve for x
    x = 19,133,076,757,068,126,355,456/156,933,514,446.64
  6. Step 6: Final answer
    x = 121,918,360,297.56

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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.