Home / 105,972,994.20-159,030,350.10-48,435,648.60

Finding the Fourth Proportional to 105,972,994.20, 159,030,350.10 and 48,435,648.60

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Solution

The fourth proportional to 105,972,994.20, 159,030,350.10 and 48,435,648.60 is: 72,685,859.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,972,994.20 : 159,030,350.10 = 48,435,648.60 : x
  2. Step 2: Convert to fraction form
    105,972,994.20/159,030,350.10 = 48,435,648.60/x
  3. Step 3: Cross multiply
    105,972,994.20x = 159,030,350.10 × 48,435,648.60
  4. Step 4: Simplify right side
    105,972,994.20x = 7,702,738,154,178,575
  5. Step 5: Solve for x
    x = 7,702,738,154,178,575/105,972,994.20
  6. Step 6: Final answer
    x = 72,685,859.38

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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.