Home / 52,216,940.28-72,061,322.31-31,312,376.39

Finding the Fourth Proportional to 52,216,940.28, 72,061,322.31 and 31,312,376.39

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Solution

The fourth proportional to 52,216,940.28, 72,061,322.31 and 31,312,376.39 is: 43,212,245.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,216,940.28 : 72,061,322.31 = 31,312,376.39 : x
  2. Step 2: Convert to fraction form
    52,216,940.28/72,061,322.31 = 31,312,376.39/x
  3. Step 3: Cross multiply
    52,216,940.28x = 72,061,322.31 × 31,312,376.39
  4. Step 4: Simplify right side
    52,216,940.28x = 2,256,411,247,511,977.50
  5. Step 5: Solve for x
    x = 2,256,411,247,511,977.50/52,216,940.28
  6. Step 6: Final answer
    x = 43,212,245.59

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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.