Home / 77,303,850.63-115,703,418.01-56,828,150.61

Finding the Fourth Proportional to 77,303,850.63, 115,703,418.01 and 56,828,150.61

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Solution

The fourth proportional to 77,303,850.63, 115,703,418.01 and 56,828,150.61 is: 85,056,710.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,303,850.63 : 115,703,418.01 = 56,828,150.61 : x
  2. Step 2: Convert to fraction form
    77,303,850.63/115,703,418.01 = 56,828,150.61/x
  3. Step 3: Cross multiply
    77,303,850.63x = 115,703,418.01 × 56,828,150.61
  4. Step 4: Simplify right side
    77,303,850.63x = 6,575,211,264,764,067
  5. Step 5: Solve for x
    x = 6,575,211,264,764,067/77,303,850.63
  6. Step 6: Final answer
    x = 85,056,710.77

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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.