Home / 82,662,045.70-123,925,883.91-28,847,149.06

Finding the Fourth Proportional to 82,662,045.70, 123,925,883.91 and 28,847,149.06

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Solution

The fourth proportional to 82,662,045.70, 123,925,883.91 and 28,847,149.06 is: 43,247,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,662,045.70 : 123,925,883.91 = 28,847,149.06 : x
  2. Step 2: Convert to fraction form
    82,662,045.70/123,925,883.91 = 28,847,149.06/x
  3. Step 3: Cross multiply
    82,662,045.70x = 123,925,883.91 × 28,847,149.06
  4. Step 4: Simplify right side
    82,662,045.70x = 3,574,908,445,544,025.50
  5. Step 5: Solve for x
    x = 3,574,908,445,544,025.50/82,662,045.70
  6. Step 6: Final answer
    x = 43,247,277.70

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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.