Home / 57,215,776.72-78,957,223.44-31,110,303.72

Finding the Fourth Proportional to 57,215,776.72, 78,957,223.44 and 31,110,303.72

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Solution

The fourth proportional to 57,215,776.72, 78,957,223.44 and 31,110,303.72 is: 42,931,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,215,776.72 : 78,957,223.44 = 31,110,303.72 : x
  2. Step 2: Convert to fraction form
    57,215,776.72/78,957,223.44 = 31,110,303.72/x
  3. Step 3: Cross multiply
    57,215,776.72x = 78,957,223.44 × 31,110,303.72
  4. Step 4: Simplify right side
    57,215,776.72x = 2,456,383,202,106,303
  5. Step 5: Solve for x
    x = 2,456,383,202,106,303/57,215,776.72
  6. Step 6: Final answer
    x = 42,931,920.93

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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.