Home / 120,855,047,306.34-166,780,483,787.87-65,923,417,428.32

Finding the Fourth Proportional to 120,855,047,306.34, 166,780,483,787.87 and 65,923,417,428.32

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Solution

The fourth proportional to 120,855,047,306.34, 166,780,483,787.87 and 65,923,417,428.32 is: 90,974,598,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,855,047,306.34 : 166,780,483,787.87 = 65,923,417,428.32 : x
  2. Step 2: Convert to fraction form
    120,855,047,306.34/166,780,483,787.87 = 65,923,417,428.32/x
  3. Step 3: Cross multiply
    120,855,047,306.34x = 166,780,483,787.87 × 65,923,417,428.32
  4. Step 4: Simplify right side
    120,855,047,306.34x = 10,994,739,451,644,075,835,392
  5. Step 5: Solve for x
    x = 10,994,739,451,644,075,835,392/120,855,047,306.34
  6. Step 6: Final answer
    x = 90,974,598,882.70

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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.