Home / 147,449,415.98-203,485,081.32-80,472,041.66

Finding the Fourth Proportional to 147,449,415.98, 203,485,081.32 and 80,472,041.66

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Solution

The fourth proportional to 147,449,415.98, 203,485,081.32 and 80,472,041.66 is: 111,054,084.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,449,415.98 : 203,485,081.32 = 80,472,041.66 : x
  2. Step 2: Convert to fraction form
    147,449,415.98/203,485,081.32 = 80,472,041.66/x
  3. Step 3: Cross multiply
    147,449,415.98x = 203,485,081.32 × 80,472,041.66
  4. Step 4: Simplify right side
    147,449,415.98x = 16,374,859,941,171,526
  5. Step 5: Solve for x
    x = 16,374,859,941,171,526/147,449,415.98
  6. Step 6: Final answer
    x = 111,054,084.77

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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.