Home / 39,630,439.17-54,689,347.85-23,120,163.81

Finding the Fourth Proportional to 39,630,439.17, 54,689,347.85 and 23,120,163.81

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Solution

The fourth proportional to 39,630,439.17, 54,689,347.85 and 23,120,163.81 is: 31,905,442.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,630,439.17 : 54,689,347.85 = 23,120,163.81 : x
  2. Step 2: Convert to fraction form
    39,630,439.17/54,689,347.85 = 23,120,163.81/x
  3. Step 3: Cross multiply
    39,630,439.17x = 54,689,347.85 × 23,120,163.81
  4. Step 4: Simplify right side
    39,630,439.17x = 1,264,426,680,838,470.50
  5. Step 5: Solve for x
    x = 1,264,426,680,838,470.50/39,630,439.17
  6. Step 6: Final answer
    x = 31,905,442.06

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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.