Home / 120,855,047,302.87-166,780,483,783.08-65,923,417,424.85

Finding the Fourth Proportional to 120,855,047,302.87, 166,780,483,783.08 and 65,923,417,424.85

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Solution

The fourth proportional to 120,855,047,302.87, 166,780,483,783.08 and 65,923,417,424.85 is: 90,974,598,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,855,047,302.87 : 166,780,483,783.08 = 65,923,417,424.85 : x
  2. Step 2: Convert to fraction form
    120,855,047,302.87/166,780,483,783.08 = 65,923,417,424.85/x
  3. Step 3: Cross multiply
    120,855,047,302.87x = 166,780,483,783.08 × 65,923,417,424.85
  4. Step 4: Simplify right side
    120,855,047,302.87x = 10,994,739,450,750,408,065,024
  5. Step 5: Solve for x
    x = 10,994,739,450,750,408,065,024/120,855,047,302.87
  6. Step 6: Final answer
    x = 90,974,598,877.92

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1.5x scale

Why These Related Problems?

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