Home / 80,095,185.96-120,154,771.88-28,989,162.16

Finding the Fourth Proportional to 80,095,185.96, 120,154,771.88 and 28,989,162.16

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Solution

The fourth proportional to 80,095,185.96, 120,154,771.88 and 28,989,162.16 is: 43,488,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,095,185.96 : 120,154,771.88 = 28,989,162.16 : x
  2. Step 2: Convert to fraction form
    80,095,185.96/120,154,771.88 = 28,989,162.16/x
  3. Step 3: Cross multiply
    80,095,185.96x = 120,154,771.88 × 28,989,162.16
  4. Step 4: Simplify right side
    80,095,185.96x = 3,483,186,166,327,128
  5. Step 5: Solve for x
    x = 3,483,186,166,327,128/80,095,185.96
  6. Step 6: Final answer
    x = 43,488,083.89

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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.