Home / 57,671,108.79-79,586,372.78-31,209,463.90

Finding the Fourth Proportional to 57,671,108.79, 79,586,372.78 and 31,209,463.90

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Solution

The fourth proportional to 57,671,108.79, 79,586,372.78 and 31,209,463.90 is: 43,069,191.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,671,108.79 : 79,586,372.78 = 31,209,463.90 : x
  2. Step 2: Convert to fraction form
    57,671,108.79/79,586,372.78 = 31,209,463.90/x
  3. Step 3: Cross multiply
    57,671,108.79x = 79,586,372.78 × 31,209,463.90
  4. Step 4: Simplify right side
    57,671,108.79x = 2,483,848,028,209,352.50
  5. Step 5: Solve for x
    x = 2,483,848,028,209,352.50/57,671,108.79
  6. Step 6: Final answer
    x = 43,069,191.50

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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.