Home / 217,493,710.60-300,141,303.54-118,375,168.20

Finding the Fourth Proportional to 217,493,710.60, 300,141,303.54 and 118,375,168.20

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Solution

The fourth proportional to 217,493,710.60, 300,141,303.54 and 118,375,168.20 is: 163,357,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,493,710.60 : 300,141,303.54 = 118,375,168.20 : x
  2. Step 2: Convert to fraction form
    217,493,710.60/300,141,303.54 = 118,375,168.20/x
  3. Step 3: Cross multiply
    217,493,710.60x = 300,141,303.54 × 118,375,168.20
  4. Step 4: Simplify right side
    217,493,710.60x = 35,529,277,290,314,760
  5. Step 5: Solve for x
    x = 35,529,277,290,314,760/217,493,710.60
  6. Step 6: Final answer
    x = 163,357,722.82

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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.