Home / 120,855,047,302.81-166,780,483,783-65,923,417,424.79

Finding the Fourth Proportional to 120,855,047,302.81, 166,780,483,783 and 65,923,417,424.79

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Solution

The fourth proportional to 120,855,047,302.81, 166,780,483,783 and 65,923,417,424.79 is: 90,974,598,877.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,855,047,302.81 : 166,780,483,783 = 65,923,417,424.79 : x
  2. Step 2: Convert to fraction form
    120,855,047,302.81/166,780,483,783 = 65,923,417,424.79/x
  3. Step 3: Cross multiply
    120,855,047,302.81x = 166,780,483,783 × 65,923,417,424.79
  4. Step 4: Simplify right side
    120,855,047,302.81x = 10,994,739,450,734,295,646,208
  5. Step 5: Solve for x
    x = 10,994,739,450,734,295,646,208/120,855,047,302.81
  6. Step 6: Final answer
    x = 90,974,598,877.83

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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.