Home / 81,291,601.57-112,182,533.48-44,121,895.45

Finding the Fourth Proportional to 81,291,601.57, 112,182,533.48 and 44,121,895.45

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Solution

The fourth proportional to 81,291,601.57, 112,182,533.48 and 44,121,895.45 is: 60,888,282.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,291,601.57 : 112,182,533.48 = 44,121,895.45 : x
  2. Step 2: Convert to fraction form
    81,291,601.57/112,182,533.48 = 44,121,895.45/x
  3. Step 3: Cross multiply
    81,291,601.57x = 112,182,533.48 × 44,121,895.45
  4. Step 4: Simplify right side
    81,291,601.57x = 4,949,706,013,520,685
  5. Step 5: Solve for x
    x = 4,949,706,013,520,685/81,291,601.57
  6. Step 6: Final answer
    x = 60,888,282.65

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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.