Home / 79,563,957.36-109,788,439.32-50,184,192.72

Finding the Fourth Proportional to 79,563,957.36, 109,788,439.32 and 50,184,192.72

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Solution

The fourth proportional to 79,563,957.36, 109,788,439.32 and 50,184,192.72 is: 69,247,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,563,957.36 : 109,788,439.32 = 50,184,192.72 : x
  2. Step 2: Convert to fraction form
    79,563,957.36/109,788,439.32 = 50,184,192.72/x
  3. Step 3: Cross multiply
    79,563,957.36x = 109,788,439.32 × 50,184,192.72
  4. Step 4: Simplify right side
    79,563,957.36x = 5,509,644,197,262,905
  5. Step 5: Solve for x
    x = 5,509,644,197,262,905/79,563,957.36
  6. Step 6: Final answer
    x = 69,247,990.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.