Home / 217,831,470.62-300,598,659.46-118,710,089.76

Finding the Fourth Proportional to 217,831,470.62, 300,598,659.46 and 118,710,089.76

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Solution

The fourth proportional to 217,831,470.62, 300,598,659.46 and 118,710,089.76 is: 163,815,144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,831,470.62 : 300,598,659.46 = 118,710,089.76 : x
  2. Step 2: Convert to fraction form
    217,831,470.62/300,598,659.46 = 118,710,089.76/x
  3. Step 3: Cross multiply
    217,831,470.62x = 300,598,659.46 × 118,710,089.76
  4. Step 4: Simplify right side
    217,831,470.62x = 35,684,093,847,507,908
  5. Step 5: Solve for x
    x = 35,684,093,847,507,908/217,831,470.62
  6. Step 6: Final answer
    x = 163,815,144.56

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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.