Home / 67,040,212,641.39-91,276,176,141.72-66,831,005,577.33

Finding the Fourth Proportional to 67,040,212,641.39, 91,276,176,141.72 and 66,831,005,577.33

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Solution

The fourth proportional to 67,040,212,641.39, 91,276,176,141.72 and 66,831,005,577.33 is: 90,991,337,832.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,040,212,641.39 : 91,276,176,141.72 = 66,831,005,577.33 : x
  2. Step 2: Convert to fraction form
    67,040,212,641.39/91,276,176,141.72 = 66,831,005,577.33/x
  3. Step 3: Cross multiply
    67,040,212,641.39x = 91,276,176,141.72 × 66,831,005,577.33
  4. Step 4: Simplify right side
    67,040,212,641.39x = 6,100,078,636,804,644,798,464
  5. Step 5: Solve for x
    x = 6,100,078,636,804,644,798,464/67,040,212,641.39
  6. Step 6: Final answer
    x = 90,991,337,832.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.