Home / 102,305,956,274.88-152,709,605,439.70-90,228,768,231.12

Finding the Fourth Proportional to 102,305,956,274.88, 152,709,605,439.70 and 90,228,768,231.12

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Solution

The fourth proportional to 102,305,956,274.88, 152,709,605,439.70 and 90,228,768,231.12 is: 134,682,281,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,305,956,274.88 : 152,709,605,439.70 = 90,228,768,231.12 : x
  2. Step 2: Convert to fraction form
    102,305,956,274.88/152,709,605,439.70 = 90,228,768,231.12/x
  3. Step 3: Cross multiply
    102,305,956,274.88x = 152,709,605,439.70 × 90,228,768,231.12
  4. Step 4: Simplify right side
    102,305,956,274.88x = 13,778,799,595,884,474,531,840
  5. Step 5: Solve for x
    x = 13,778,799,595,884,474,531,840/102,305,956,274.88
  6. Step 6: Final answer
    x = 134,682,281,438.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.