Home / 143,607,181,672.80-215,410,772,509.20-84,834,058,600.80

Finding the Fourth Proportional to 143,607,181,672.80, 215,410,772,509.20 and 84,834,058,600.80

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Solution

The fourth proportional to 143,607,181,672.80, 215,410,772,509.20 and 84,834,058,600.80 is: 127,251,087,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,607,181,672.80 : 215,410,772,509.20 = 84,834,058,600.80 : x
  2. Step 2: Convert to fraction form
    143,607,181,672.80/215,410,772,509.20 = 84,834,058,600.80/x
  3. Step 3: Cross multiply
    143,607,181,672.80x = 215,410,772,509.20 × 84,834,058,600.80
  4. Step 4: Simplify right side
    143,607,181,672.80x = 18,274,170,098,289,072,930,816
  5. Step 5: Solve for x
    x = 18,274,170,098,289,072,930,816/143,607,181,672.80
  6. Step 6: Final answer
    x = 127,251,087,901.20

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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.