Home / 78,630,259.42-108,513,452.82-43,823,199.16

Finding the Fourth Proportional to 78,630,259.42, 108,513,452.82 and 43,823,199.16

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Solution

The fourth proportional to 78,630,259.42, 108,513,452.82 and 43,823,199.16 is: 60,478,074.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,630,259.42 : 108,513,452.82 = 43,823,199.16 : x
  2. Step 2: Convert to fraction form
    78,630,259.42/108,513,452.82 = 43,823,199.16/x
  3. Step 3: Cross multiply
    78,630,259.42x = 108,513,452.82 × 43,823,199.16
  4. Step 4: Simplify right side
    78,630,259.42x = 4,755,406,654,470,123
  5. Step 5: Solve for x
    x = 4,755,406,654,470,123/78,630,259.42
  6. Step 6: Final answer
    x = 60,478,074.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.