Home / 77,346,765,760.99-116,020,121,334.27-20,685,156,122.39

Finding the Fourth Proportional to 77,346,765,760.99, 116,020,121,334.27 and 20,685,156,122.39

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Solution

The fourth proportional to 77,346,765,760.99, 116,020,121,334.27 and 20,685,156,122.39 is: 31,027,726,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,346,765,760.99 : 116,020,121,334.27 = 20,685,156,122.39 : x
  2. Step 2: Convert to fraction form
    77,346,765,760.99/116,020,121,334.27 = 20,685,156,122.39/x
  3. Step 3: Cross multiply
    77,346,765,760.99x = 116,020,121,334.27 × 20,685,156,122.39
  4. Step 4: Simplify right side
    77,346,765,760.99x = 2,399,894,323,137,425,702,912
  5. Step 5: Solve for x
    x = 2,399,894,323,137,425,702,912/77,346,765,760.99
  6. Step 6: Final answer
    x = 31,027,726,880.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.