Home / 173,506,786.40-260,303,256.21-86,109,321.96

Finding the Fourth Proportional to 173,506,786.40, 260,303,256.21 and 86,109,321.96

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Solution

The fourth proportional to 173,506,786.40, 260,303,256.21 and 86,109,321.96 is: 129,185,361.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,506,786.40 : 260,303,256.21 = 86,109,321.96 : x
  2. Step 2: Convert to fraction form
    173,506,786.40/260,303,256.21 = 86,109,321.96/x
  3. Step 3: Cross multiply
    173,506,786.40x = 260,303,256.21 × 86,109,321.96
  4. Step 4: Simplify right side
    173,506,786.40x = 22,414,536,896,546,168
  5. Step 5: Solve for x
    x = 22,414,536,896,546,168/173,506,786.40
  6. Step 6: Final answer
    x = 129,185,361.34

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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.