Home / 132,860,829.60-199,291,244.40-68,290,748.10

Finding the Fourth Proportional to 132,860,829.60, 199,291,244.40 and 68,290,748.10

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Solution

The fourth proportional to 132,860,829.60, 199,291,244.40 and 68,290,748.10 is: 102,436,122.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,829.60 : 199,291,244.40 = 68,290,748.10 : x
  2. Step 2: Convert to fraction form
    132,860,829.60/199,291,244.40 = 68,290,748.10/x
  3. Step 3: Cross multiply
    132,860,829.60x = 199,291,244.40 × 68,290,748.10
  4. Step 4: Simplify right side
    132,860,829.60x = 13,609,748,169,855,934
  5. Step 5: Solve for x
    x = 13,609,748,169,855,934/132,860,829.60
  6. Step 6: Final answer
    x = 102,436,122.15

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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.