Home / 99,892,278,132.44-149,778,579,360.27-31,793,925,486.61

Finding the Fourth Proportional to 99,892,278,132.44, 149,778,579,360.27 and 31,793,925,486.61

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Solution

The fourth proportional to 99,892,278,132.44, 149,778,579,360.27 and 31,793,925,486.61 is: 47,671,842,916.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,892,278,132.44 : 149,778,579,360.27 = 31,793,925,486.61 : x
  2. Step 2: Convert to fraction form
    99,892,278,132.44/149,778,579,360.27 = 31,793,925,486.61/x
  3. Step 3: Cross multiply
    99,892,278,132.44x = 149,778,579,360.27 × 31,793,925,486.61
  4. Step 4: Simplify right side
    99,892,278,132.44x = 4,762,048,991,669,977,612,288
  5. Step 5: Solve for x
    x = 4,762,048,991,669,977,612,288/99,892,278,132.44
  6. Step 6: Final answer
    x = 47,671,842,916.19

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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.