Home / 73,161,719.24-100,953,893.06-40,113,271.81

Finding the Fourth Proportional to 73,161,719.24, 100,953,893.06 and 40,113,271.81

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Solution

The fourth proportional to 73,161,719.24, 100,953,893.06 and 40,113,271.81 is: 55,351,227.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,161,719.24 : 100,953,893.06 = 40,113,271.81 : x
  2. Step 2: Convert to fraction form
    73,161,719.24/100,953,893.06 = 40,113,271.81/x
  3. Step 3: Cross multiply
    73,161,719.24x = 100,953,893.06 × 40,113,271.81
  4. Step 4: Simplify right side
    73,161,719.24x = 4,049,590,952,669,503.50
  5. Step 5: Solve for x
    x = 4,049,590,952,669,503.50/73,161,719.24
  6. Step 6: Final answer
    x = 55,351,227.32

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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.