Home / 120,294,322.90-165,977,713.72-68,083,358.56

Finding the Fourth Proportional to 120,294,322.90, 165,977,713.72 and 68,083,358.56

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Solution

The fourth proportional to 120,294,322.90, 165,977,713.72 and 68,083,358.56 is: 93,938,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,294,322.90 : 165,977,713.72 = 68,083,358.56 : x
  2. Step 2: Convert to fraction form
    120,294,322.90/165,977,713.72 = 68,083,358.56/x
  3. Step 3: Cross multiply
    120,294,322.90x = 165,977,713.72 × 68,083,358.56
  4. Step 4: Simplify right side
    120,294,322.90x = 11,300,320,196,167,792
  5. Step 5: Solve for x
    x = 11,300,320,196,167,792/120,294,322.90
  6. Step 6: Final answer
    x = 93,938,931.81

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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.