Home / 73,102,513.80-109,653,770.70-65,166,328.20

Finding the Fourth Proportional to 73,102,513.80, 109,653,770.70 and 65,166,328.20

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Solution

The fourth proportional to 73,102,513.80, 109,653,770.70 and 65,166,328.20 is: 97,749,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,102,513.80 : 109,653,770.70 = 65,166,328.20 : x
  2. Step 2: Convert to fraction form
    73,102,513.80/109,653,770.70 = 65,166,328.20/x
  3. Step 3: Cross multiply
    73,102,513.80x = 109,653,770.70 × 65,166,328.20
  4. Step 4: Simplify right side
    73,102,513.80x = 7,145,733,609,803,744
  5. Step 5: Solve for x
    x = 7,145,733,609,803,744/73,102,513.80
  6. Step 6: Final answer
    x = 97,749,492.30

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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.