Home / 57,187,947.36-78,920,166.60-31,082,457.36

Finding the Fourth Proportional to 57,187,947.36, 78,920,166.60 and 31,082,457.36

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Solution

The fourth proportional to 57,187,947.36, 78,920,166.60 and 31,082,457.36 is: 42,894,225.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,187,947.36 : 78,920,166.60 = 31,082,457.36 : x
  2. Step 2: Convert to fraction form
    57,187,947.36/78,920,166.60 = 31,082,457.36/x
  3. Step 3: Cross multiply
    57,187,947.36x = 78,920,166.60 × 31,082,457.36
  4. Step 4: Simplify right side
    57,187,947.36x = 2,453,032,713,188,596
  5. Step 5: Solve for x
    x = 2,453,032,713,188,596/57,187,947.36
  6. Step 6: Final answer
    x = 42,894,225.56

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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.