Home / 156,933,514,438.66-235,209,029,795-81,344,992,455.81

Finding the Fourth Proportional to 156,933,514,438.66, 235,209,029,795 and 81,344,992,455.81

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Solution

The fourth proportional to 156,933,514,438.66, 235,209,029,795 and 81,344,992,455.81 is: 121,918,360,285.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,933,514,438.66 : 235,209,029,795 = 81,344,992,455.81 : x
  2. Step 2: Convert to fraction form
    156,933,514,438.66/235,209,029,795 = 81,344,992,455.81/x
  3. Step 3: Cross multiply
    156,933,514,438.66x = 235,209,029,795 × 81,344,992,455.81
  4. Step 4: Simplify right side
    156,933,514,438.66x = 19,133,076,754,212,195,401,728
  5. Step 5: Solve for x
    x = 19,133,076,754,212,195,401,728/156,933,514,438.66
  6. Step 6: Final answer
    x = 121,918,360,285.56

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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.