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Finding the Fourth Proportional to 98,496,662.90, 147,744,994.35 and 57,681,994.10

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Solution

The fourth proportional to 98,496,662.90, 147,744,994.35 and 57,681,994.10 is: 86,522,991.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,496,662.90 : 147,744,994.35 = 57,681,994.10 : x
  2. Step 2: Convert to fraction form
    98,496,662.90/147,744,994.35 = 57,681,994.10/x
  3. Step 3: Cross multiply
    98,496,662.90x = 147,744,994.35 × 57,681,994.10
  4. Step 4: Simplify right side
    98,496,662.90x = 8,522,225,892,401,233
  5. Step 5: Solve for x
    x = 8,522,225,892,401,233/98,496,662.90
  6. Step 6: Final answer
    x = 86,522,991.15

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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.