Home / 71,118,521.60-106,677,782.40-68,132,537.60

Finding the Fourth Proportional to 71,118,521.60, 106,677,782.40 and 68,132,537.60

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Solution

The fourth proportional to 71,118,521.60, 106,677,782.40 and 68,132,537.60 is: 102,198,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,118,521.60 : 106,677,782.40 = 68,132,537.60 : x
  2. Step 2: Convert to fraction form
    71,118,521.60/106,677,782.40 = 68,132,537.60/x
  3. Step 3: Cross multiply
    71,118,521.60x = 106,677,782.40 × 68,132,537.60
  4. Step 4: Simplify right side
    71,118,521.60x = 7,268,228,020,452,618
  5. Step 5: Solve for x
    x = 7,268,228,020,452,618/71,118,521.60
  6. Step 6: Final answer
    x = 102,198,806.40

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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.