Home / 217,831,472.37-300,598,661.87-118,710,091.52

Finding the Fourth Proportional to 217,831,472.37, 300,598,661.87 and 118,710,091.52

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Solution

The fourth proportional to 217,831,472.37, 300,598,661.87 and 118,710,091.52 is: 163,815,146.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,831,472.37 : 300,598,661.87 = 118,710,091.52 : x
  2. Step 2: Convert to fraction form
    217,831,472.37/300,598,661.87 = 118,710,091.52/x
  3. Step 3: Cross multiply
    217,831,472.37x = 300,598,661.87 × 118,710,091.52
  4. Step 4: Simplify right side
    217,831,472.37x = 35,684,094,661,377,232
  5. Step 5: Solve for x
    x = 35,684,094,661,377,232/217,831,472.37
  6. Step 6: Final answer
    x = 163,815,146.97

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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.