Home / 54,169,366.94-81,253,109.32-21,820,442.55

Finding the Fourth Proportional to 54,169,366.94, 81,253,109.32 and 21,820,442.55

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Solution

The fourth proportional to 54,169,366.94, 81,253,109.32 and 21,820,442.55 is: 32,730,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,169,366.94 : 81,253,109.32 = 21,820,442.55 : x
  2. Step 2: Convert to fraction form
    54,169,366.94/81,253,109.32 = 21,820,442.55/x
  3. Step 3: Cross multiply
    54,169,366.94x = 81,253,109.32 × 21,820,442.55
  4. Step 4: Simplify right side
    54,169,366.94x = 1,772,978,803,925,929.50
  5. Step 5: Solve for x
    x = 1,772,978,803,925,929.50/54,169,366.94
  6. Step 6: Final answer
    x = 32,730,284.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.