Home / 82,945,145.60-124,417,718.40-48,848,940.80

Finding the Fourth Proportional to 82,945,145.60, 124,417,718.40 and 48,848,940.80

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Solution

The fourth proportional to 82,945,145.60, 124,417,718.40 and 48,848,940.80 is: 73,273,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,945,145.60 : 124,417,718.40 = 48,848,940.80 : x
  2. Step 2: Convert to fraction form
    82,945,145.60/124,417,718.40 = 48,848,940.80/x
  3. Step 3: Cross multiply
    82,945,145.60x = 124,417,718.40 × 48,848,940.80
  4. Step 4: Simplify right side
    82,945,145.60x = 6,077,673,760,592,671
  5. Step 5: Solve for x
    x = 6,077,673,760,592,671/82,945,145.60
  6. Step 6: Final answer
    x = 73,273,411.20

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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.