Home / 85,584,741,967.12-128,376,941,878.68-22,706,343,147.28

Finding the Fourth Proportional to 85,584,741,967.12, 128,376,941,878.68 and 22,706,343,147.28

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Solution

The fourth proportional to 85,584,741,967.12, 128,376,941,878.68 and 22,706,343,147.28 is: 34,059,469,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,584,741,967.12 : 128,376,941,878.68 = 22,706,343,147.28 : x
  2. Step 2: Convert to fraction form
    85,584,741,967.12/128,376,941,878.68 = 22,706,343,147.28/x
  3. Step 3: Cross multiply
    85,584,741,967.12x = 128,376,941,878.68 × 22,706,343,147.28
  4. Step 4: Simplify right side
    85,584,741,967.12x = 2,914,970,894,495,728,009,216
  5. Step 5: Solve for x
    x = 2,914,970,894,495,728,009,216/85,584,741,967.12
  6. Step 6: Final answer
    x = 34,059,469,334.10

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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.