Home / 90,105,278,660.80-124,345,420,760.03-48,905,673,206.63

Finding the Fourth Proportional to 90,105,278,660.80, 124,345,420,760.03 and 48,905,673,206.63

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Solution

The fourth proportional to 90,105,278,660.80, 124,345,420,760.03 and 48,905,673,206.63 is: 67,489,902,953.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,105,278,660.80 : 124,345,420,760.03 = 48,905,673,206.63 : x
  2. Step 2: Convert to fraction form
    90,105,278,660.80/124,345,420,760.03 = 48,905,673,206.63/x
  3. Step 3: Cross multiply
    90,105,278,660.80x = 124,345,420,760.03 × 48,905,673,206.63
  4. Step 4: Simplify right side
    90,105,278,660.80x = 6,081,196,512,430,311,604,224
  5. Step 5: Solve for x
    x = 6,081,196,512,430,311,604,224/90,105,278,660.80
  6. Step 6: Final answer
    x = 67,489,902,953.67

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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.