Home / 81,041,946.24-111,837,920.34-43,872,225.48

Finding the Fourth Proportional to 81,041,946.24, 111,837,920.34 and 43,872,225.48

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Solution

The fourth proportional to 81,041,946.24, 111,837,920.34 and 43,872,225.48 is: 60,543,689.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,041,946.24 : 111,837,920.34 = 43,872,225.48 : x
  2. Step 2: Convert to fraction form
    81,041,946.24/111,837,920.34 = 43,872,225.48/x
  3. Step 3: Cross multiply
    81,041,946.24x = 111,837,920.34 × 43,872,225.48
  4. Step 4: Simplify right side
    81,041,946.24x = 4,906,578,458,370,758
  5. Step 5: Solve for x
    x = 4,906,578,458,370,758/81,041,946.24
  6. Step 6: Final answer
    x = 60,543,689.85

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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.