Home / 143,018,478,961.49-214,453,228,436.37-67,451,339,822.92

Finding the Fourth Proportional to 143,018,478,961.49, 214,453,228,436.37 and 67,451,339,822.92

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Solution

The fourth proportional to 143,018,478,961.49, 214,453,228,436.37 and 67,451,339,822.92 is: 101,141,878,255.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,018,478,961.49 : 214,453,228,436.37 = 67,451,339,822.92 : x
  2. Step 2: Convert to fraction form
    143,018,478,961.49/214,453,228,436.37 = 67,451,339,822.92/x
  3. Step 3: Cross multiply
    143,018,478,961.49x = 214,453,228,436.37 × 67,451,339,822.92
  4. Step 4: Simplify right side
    143,018,478,961.49x = 14,465,157,587,383,881,826,304
  5. Step 5: Solve for x
    x = 14,465,157,587,383,881,826,304/143,018,478,961.49
  6. Step 6: Final answer
    x = 101,141,878,255.32

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1.5x scale

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.