Home / 99,892,278,136.44-149,778,579,366.29-31,793,925,490.60

Finding the Fourth Proportional to 99,892,278,136.44, 149,778,579,366.29 and 31,793,925,490.60

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Solution

The fourth proportional to 99,892,278,136.44, 149,778,579,366.29 and 31,793,925,490.60 is: 47,671,842,922.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,892,278,136.44 : 149,778,579,366.29 = 31,793,925,490.60 : x
  2. Step 2: Convert to fraction form
    99,892,278,136.44/149,778,579,366.29 = 31,793,925,490.60/x
  3. Step 3: Cross multiply
    99,892,278,136.44x = 149,778,579,366.29 × 31,793,925,490.60
  4. Step 4: Simplify right side
    99,892,278,136.44x = 4,762,048,992,459,743,035,392
  5. Step 5: Solve for x
    x = 4,762,048,992,459,743,035,392/99,892,278,136.44
  6. Step 6: Final answer
    x = 47,671,842,922.19

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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.