Home / 57,671,112.78-79,586,378.30-31,209,467.90

Finding the Fourth Proportional to 57,671,112.78, 79,586,378.30 and 31,209,467.90

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Solution

The fourth proportional to 57,671,112.78, 79,586,378.30 and 31,209,467.90 is: 43,069,197.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,671,112.78 : 79,586,378.30 = 31,209,467.90 : x
  2. Step 2: Convert to fraction form
    57,671,112.78/79,586,378.30 = 31,209,467.90/x
  3. Step 3: Cross multiply
    57,671,112.78x = 79,586,378.30 × 31,209,467.90
  4. Step 4: Simplify right side
    57,671,112.78x = 2,483,848,518,831,106.50
  5. Step 5: Solve for x
    x = 2,483,848,518,831,106.50/57,671,112.78
  6. Step 6: Final answer
    x = 43,069,197.02

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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.