Home / 149,638,073,049.38-206,498,895,717.57-81,047,779,885.82

Finding the Fourth Proportional to 149,638,073,049.38, 206,498,895,717.57 and 81,047,779,885.82

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Solution

The fourth proportional to 149,638,073,049.38, 206,498,895,717.57 and 81,047,779,885.82 is: 111,845,045,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,638,073,049.38 : 206,498,895,717.57 = 81,047,779,885.82 : x
  2. Step 2: Convert to fraction form
    149,638,073,049.38/206,498,895,717.57 = 81,047,779,885.82/x
  3. Step 3: Cross multiply
    149,638,073,049.38x = 206,498,895,717.57 × 81,047,779,885.82
  4. Step 4: Simplify right side
    149,638,073,049.38x = 16,736,277,046,782,513,381,376
  5. Step 5: Solve for x
    x = 16,736,277,046,782,513,381,376/149,638,073,049.38
  6. Step 6: Final answer
    x = 111,845,045,219.61

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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.