Home / 165,397,817.20-247,718,812.20-97,373,369.20

Finding the Fourth Proportional to 165,397,817.20, 247,718,812.20 and 97,373,369.20

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Solution

The fourth proportional to 165,397,817.20, 247,718,812.20 and 97,373,369.20 is: 145,837,567.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,397,817.20 : 247,718,812.20 = 97,373,369.20 : x
  2. Step 2: Convert to fraction form
    165,397,817.20/247,718,812.20 = 97,373,369.20/x
  3. Step 3: Cross multiply
    165,397,817.20x = 247,718,812.20 × 97,373,369.20
  4. Step 4: Simplify right side
    165,397,817.20x = 24,121,215,358,136,064
  5. Step 5: Solve for x
    x = 24,121,215,358,136,064/165,397,817.20
  6. Step 6: Final answer
    x = 145,837,567.67

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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.