Home / 85,159,832,435.57-117,495,055,234.36-49,029,935,915.43

Finding the Fourth Proportional to 85,159,832,435.57, 117,495,055,234.36 and 49,029,935,915.43

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Solution

The fourth proportional to 85,159,832,435.57, 117,495,055,234.36 and 49,029,935,915.43 is: 67,646,622,401.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,159,832,435.57 : 117,495,055,234.36 = 49,029,935,915.43 : x
  2. Step 2: Convert to fraction form
    85,159,832,435.57/117,495,055,234.36 = 49,029,935,915.43/x
  3. Step 3: Cross multiply
    85,159,832,435.57x = 117,495,055,234.36 × 49,029,935,915.43
  4. Step 4: Simplify right side
    85,159,832,435.57x = 5,760,775,028,520,579,497,984
  5. Step 5: Solve for x
    x = 5,760,775,028,520,579,497,984/85,159,832,435.57
  6. Step 6: Final answer
    x = 67,646,622,401.22

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Double scale
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1.5x scale

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.