Home / 120,855,047,303.40-166,780,483,783.80-65,923,417,425.37

Finding the Fourth Proportional to 120,855,047,303.40, 166,780,483,783.80 and 65,923,417,425.37

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Solution

The fourth proportional to 120,855,047,303.40, 166,780,483,783.80 and 65,923,417,425.37 is: 90,974,598,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,855,047,303.40 : 166,780,483,783.80 = 65,923,417,425.37 : x
  2. Step 2: Convert to fraction form
    120,855,047,303.40/166,780,483,783.80 = 65,923,417,425.37/x
  3. Step 3: Cross multiply
    120,855,047,303.40x = 166,780,483,783.80 × 65,923,417,425.37
  4. Step 4: Simplify right side
    120,855,047,303.40x = 10,994,739,450,884,598,530,048
  5. Step 5: Solve for x
    x = 10,994,739,450,884,598,530,048/120,855,047,303.40
  6. Step 6: Final answer
    x = 90,974,598,878.63

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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.