Home / 120,855,047,302.84-166,780,483,783.02-65,923,417,424.81

Finding the Fourth Proportional to 120,855,047,302.84, 166,780,483,783.02 and 65,923,417,424.81

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Solution

The fourth proportional to 120,855,047,302.84, 166,780,483,783.02 and 65,923,417,424.81 is: 90,974,598,877.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,855,047,302.84 : 166,780,483,783.02 = 65,923,417,424.81 : x
  2. Step 2: Convert to fraction form
    120,855,047,302.84/166,780,483,783.02 = 65,923,417,424.81/x
  3. Step 3: Cross multiply
    120,855,047,302.84x = 166,780,483,783.02 × 65,923,417,424.81
  4. Step 4: Simplify right side
    120,855,047,302.84x = 10,994,739,450,738,947,129,344
  5. Step 5: Solve for x
    x = 10,994,739,450,738,947,129,344/120,855,047,302.84
  6. Step 6: Final answer
    x = 90,974,598,877.85

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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.