Home / 143,607,181,812.30-215,410,772,718.45-84,834,058,740.30

Finding the Fourth Proportional to 143,607,181,812.30, 215,410,772,718.45 and 84,834,058,740.30

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Solution

The fourth proportional to 143,607,181,812.30, 215,410,772,718.45 and 84,834,058,740.30 is: 127,251,088,110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,607,181,812.30 : 215,410,772,718.45 = 84,834,058,740.30 : x
  2. Step 2: Convert to fraction form
    143,607,181,812.30/215,410,772,718.45 = 84,834,058,740.30/x
  3. Step 3: Cross multiply
    143,607,181,812.30x = 215,410,772,718.45 × 84,834,058,740.30
  4. Step 4: Simplify right side
    143,607,181,812.30x = 18,274,170,146,090,402,185,216
  5. Step 5: Solve for x
    x = 18,274,170,146,090,402,185,216/143,607,181,812.30
  6. Step 6: Final answer
    x = 127,251,088,110.45

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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.