Home / 120,855,047,308.34-166,780,483,790.63-65,923,417,430.32

Finding the Fourth Proportional to 120,855,047,308.34, 166,780,483,790.63 and 65,923,417,430.32

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Solution

The fourth proportional to 120,855,047,308.34, 166,780,483,790.63 and 65,923,417,430.32 is: 90,974,598,885.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,855,047,308.34 : 166,780,483,790.63 = 65,923,417,430.32 : x
  2. Step 2: Convert to fraction form
    120,855,047,308.34/166,780,483,790.63 = 65,923,417,430.32/x
  3. Step 3: Cross multiply
    120,855,047,308.34x = 166,780,483,790.63 × 65,923,417,430.32
  4. Step 4: Simplify right side
    120,855,047,308.34x = 10,994,739,452,160,419,823,616
  5. Step 5: Solve for x
    x = 10,994,739,452,160,419,823,616/120,855,047,308.34
  6. Step 6: Final answer
    x = 90,974,598,885.47

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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.