Home / 57,170,774.10-78,896,167.38-31,065,291.30

Finding the Fourth Proportional to 57,170,774.10, 78,896,167.38 and 31,065,291.30

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Solution

The fourth proportional to 57,170,774.10, 78,896,167.38 and 31,065,291.30 is: 42,870,373.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170,774.10 : 78,896,167.38 = 31,065,291.30 : x
  2. Step 2: Convert to fraction form
    57,170,774.10/78,896,167.38 = 31,065,291.30/x
  3. Step 3: Cross multiply
    57,170,774.10x = 78,896,167.38 × 31,065,291.30
  4. Step 4: Simplify right side
    57,170,774.10x = 2,450,932,422,113,257.50
  5. Step 5: Solve for x
    x = 2,450,932,422,113,257.50/57,170,774.10
  6. Step 6: Final answer
    x = 42,870,373.21

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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.