Home / 120,387,903.60-180,581,855.40-29,511,492.60

Finding the Fourth Proportional to 120,387,903.60, 180,581,855.40 and 29,511,492.60

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Solution

The fourth proportional to 120,387,903.60, 180,581,855.40 and 29,511,492.60 is: 44,267,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,387,903.60 : 180,581,855.40 = 29,511,492.60 : x
  2. Step 2: Convert to fraction form
    120,387,903.60/180,581,855.40 = 29,511,492.60/x
  3. Step 3: Cross multiply
    120,387,903.60x = 180,581,855.40 × 29,511,492.60
  4. Step 4: Simplify right side
    120,387,903.60x = 5,329,240,089,331,370
  5. Step 5: Solve for x
    x = 5,329,240,089,331,370/120,387,903.60
  6. Step 6: Final answer
    x = 44,267,238.90

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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.