Home / 110,065,613.60-165,098,420.40-71,801,861.60

Finding the Fourth Proportional to 110,065,613.60, 165,098,420.40 and 71,801,861.60

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Solution

The fourth proportional to 110,065,613.60, 165,098,420.40 and 71,801,861.60 is: 107,702,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,065,613.60 : 165,098,420.40 = 71,801,861.60 : x
  2. Step 2: Convert to fraction form
    110,065,613.60/165,098,420.40 = 71,801,861.60/x
  3. Step 3: Cross multiply
    110,065,613.60x = 165,098,420.40 × 71,801,861.60
  4. Step 4: Simplify right side
    110,065,613.60x = 11,854,373,931,939,416
  5. Step 5: Solve for x
    x = 11,854,373,931,939,416/110,065,613.60
  6. Step 6: Final answer
    x = 107,702,792.40

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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.