Home / 219,922,077.72-303,474,768.30-127,108,597.08

Finding the Fourth Proportional to 219,922,077.72, 303,474,768.30 and 127,108,597.08

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Solution

The fourth proportional to 219,922,077.72, 303,474,768.30 and 127,108,597.08 is: 175,399,634.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,922,077.72 : 303,474,768.30 = 127,108,597.08 : x
  2. Step 2: Convert to fraction form
    219,922,077.72/303,474,768.30 = 127,108,597.08/x
  3. Step 3: Cross multiply
    219,922,077.72x = 303,474,768.30 × 127,108,597.08
  4. Step 4: Simplify right side
    219,922,077.72x = 38,574,252,047,791,056
  5. Step 5: Solve for x
    x = 38,574,252,047,791,056/219,922,077.72
  6. Step 6: Final answer
    x = 175,399,634.49

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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.