Home / 57,783,750.78-79,739,848.40-31,677,376.26

Finding the Fourth Proportional to 57,783,750.78, 79,739,848.40 and 31,677,376.26

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Solution

The fourth proportional to 57,783,750.78, 79,739,848.40 and 31,677,376.26 is: 43,713,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,783,750.78 : 79,739,848.40 = 31,677,376.26 : x
  2. Step 2: Convert to fraction form
    57,783,750.78/79,739,848.40 = 31,677,376.26/x
  3. Step 3: Cross multiply
    57,783,750.78x = 79,739,848.40 × 31,677,376.26
  4. Step 4: Simplify right side
    57,783,750.78x = 2,525,949,180,523,772
  5. Step 5: Solve for x
    x = 2,525,949,180,523,772/57,783,750.78
  6. Step 6: Final answer
    x = 43,713,832.11

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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.