Home / 215,033,445.74-322,598,698.37-65,481,287.06

Finding the Fourth Proportional to 215,033,445.74, 322,598,698.37 and 65,481,287.06

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Solution

The fourth proportional to 215,033,445.74, 322,598,698.37 and 65,481,287.06 is: 98,236,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,033,445.74 : 322,598,698.37 = 65,481,287.06 : x
  2. Step 2: Convert to fraction form
    215,033,445.74/322,598,698.37 = 65,481,287.06/x
  3. Step 3: Cross multiply
    215,033,445.74x = 322,598,698.37 × 65,481,287.06
  4. Step 4: Simplify right side
    215,033,445.74x = 21,124,177,973,148,324
  5. Step 5: Solve for x
    x = 21,124,177,973,148,324/215,033,445.74
  6. Step 6: Final answer
    x = 98,236,708.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.