Home / 85,212,874.80-127,819,312.20-58,003,095.60

Finding the Fourth Proportional to 85,212,874.80, 127,819,312.20 and 58,003,095.60

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Solution

The fourth proportional to 85,212,874.80, 127,819,312.20 and 58,003,095.60 is: 87,004,643.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,212,874.80 : 127,819,312.20 = 58,003,095.60 : x
  2. Step 2: Convert to fraction form
    85,212,874.80/127,819,312.20 = 58,003,095.60/x
  3. Step 3: Cross multiply
    85,212,874.80x = 127,819,312.20 × 58,003,095.60
  4. Step 4: Simplify right side
    85,212,874.80x = 7,413,915,785,062,847
  5. Step 5: Solve for x
    x = 7,413,915,785,062,847/85,212,874.80
  6. Step 6: Final answer
    x = 87,004,643.40

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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.