Home / 65,921,622.76-98,872,808.52-19,222,559.44

Finding the Fourth Proportional to 65,921,622.76, 98,872,808.52 and 19,222,559.44

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Solution

The fourth proportional to 65,921,622.76, 98,872,808.52 and 19,222,559.44 is: 28,831,032.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,921,622.76 : 98,872,808.52 = 19,222,559.44 : x
  2. Step 2: Convert to fraction form
    65,921,622.76/98,872,808.52 = 19,222,559.44/x
  3. Step 3: Cross multiply
    65,921,622.76x = 98,872,808.52 × 19,222,559.44
  4. Step 4: Simplify right side
    65,921,622.76x = 1,900,588,438,775,438.50
  5. Step 5: Solve for x
    x = 1,900,588,438,775,438.50/65,921,622.76
  6. Step 6: Final answer
    x = 28,831,032.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.