Home / 83,219,152.40-124,828,728.60-50,970,525.20

Finding the Fourth Proportional to 83,219,152.40, 124,828,728.60 and 50,970,525.20

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Solution

The fourth proportional to 83,219,152.40, 124,828,728.60 and 50,970,525.20 is: 76,455,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,219,152.40 : 124,828,728.60 = 50,970,525.20 : x
  2. Step 2: Convert to fraction form
    83,219,152.40/124,828,728.60 = 50,970,525.20/x
  3. Step 3: Cross multiply
    83,219,152.40x = 124,828,728.60 × 50,970,525.20
  4. Step 4: Simplify right side
    83,219,152.40x = 6,362,585,856,790,261
  5. Step 5: Solve for x
    x = 6,362,585,856,790,261/83,219,152.40
  6. Step 6: Final answer
    x = 76,455,787.80

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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.