Home / 255,346,793.19-383,073,989.98-82,810,153.21

Finding the Fourth Proportional to 255,346,793.19, 383,073,989.98 and 82,810,153.21

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Solution

The fourth proportional to 255,346,793.19, 383,073,989.98 and 82,810,153.21 is: 124,232,677.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,346,793.19 : 383,073,989.98 = 82,810,153.21 : x
  2. Step 2: Convert to fraction form
    255,346,793.19/383,073,989.98 = 82,810,153.21/x
  3. Step 3: Cross multiply
    255,346,793.19x = 383,073,989.98 × 82,810,153.21
  4. Step 4: Simplify right side
    255,346,793.19x = 31,722,415,801,009,804
  5. Step 5: Solve for x
    x = 31,722,415,801,009,804/255,346,793.19
  6. Step 6: Final answer
    x = 124,232,677.47

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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.