Home / 85,161,432,008.16-117,558,962,457.84-53,062,653,242.16

Finding the Fourth Proportional to 85,161,432,008.16, 117,558,962,457.84 and 53,062,653,242.16

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Solution

The fourth proportional to 85,161,432,008.16, 117,558,962,457.84 and 53,062,653,242.16 is: 73,249,008,539.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,161,432,008.16 : 117,558,962,457.84 = 53,062,653,242.16 : x
  2. Step 2: Convert to fraction form
    85,161,432,008.16/117,558,962,457.84 = 53,062,653,242.16/x
  3. Step 3: Cross multiply
    85,161,432,008.16x = 117,558,962,457.84 × 53,062,653,242.16
  4. Step 4: Simplify right side
    85,161,432,008.16x = 6,237,990,460,408,469,651,456
  5. Step 5: Solve for x
    x = 6,237,990,460,408,469,651,456/85,161,432,008.16
  6. Step 6: Final answer
    x = 73,249,008,539.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.