Home / 57,102,440.55-78,801,467.93-30,996,976.07

Finding the Fourth Proportional to 57,102,440.55, 78,801,467.93 and 30,996,976.07

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Solution

The fourth proportional to 57,102,440.55, 78,801,467.93 and 30,996,976.07 is: 42,775,881.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102,440.55 : 78,801,467.93 = 30,996,976.07 : x
  2. Step 2: Convert to fraction form
    57,102,440.55/78,801,467.93 = 30,996,976.07/x
  3. Step 3: Cross multiply
    57,102,440.55x = 78,801,467.93 × 30,996,976.07
  4. Step 4: Simplify right side
    57,102,440.55x = 2,442,607,215,422,081.50
  5. Step 5: Solve for x
    x = 2,442,607,215,422,081.50/57,102,440.55
  6. Step 6: Final answer
    x = 42,775,881.24

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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.