Home / 157,524,258.90-217,395,525.06-86,973,474.36

Finding the Fourth Proportional to 157,524,258.90, 217,395,525.06 and 86,973,474.36

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Solution

The fourth proportional to 157,524,258.90, 217,395,525.06 and 86,973,474.36 is: 120,030,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,524,258.90 : 217,395,525.06 = 86,973,474.36 : x
  2. Step 2: Convert to fraction form
    157,524,258.90/217,395,525.06 = 86,973,474.36/x
  3. Step 3: Cross multiply
    157,524,258.90x = 217,395,525.06 × 86,973,474.36
  4. Step 4: Simplify right side
    157,524,258.90x = 18,907,644,124,784,648
  5. Step 5: Solve for x
    x = 18,907,644,124,784,648/157,524,258.90
  6. Step 6: Final answer
    x = 120,030,046.53

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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.