Home / 143,010,638.16-214,517,950.14-40,774,675.78

Finding the Fourth Proportional to 143,010,638.16, 214,517,950.14 and 40,774,675.78

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Solution

The fourth proportional to 143,010,638.16, 214,517,950.14 and 40,774,675.78 is: 61,162,581.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,010,638.16 : 214,517,950.14 = 40,774,675.78 : x
  2. Step 2: Convert to fraction form
    143,010,638.16/214,517,950.14 = 40,774,675.78/x
  3. Step 3: Cross multiply
    143,010,638.16x = 214,517,950.14 × 40,774,675.78
  4. Step 4: Simplify right side
    143,010,638.16x = 8,746,899,865,948,705
  5. Step 5: Solve for x
    x = 8,746,899,865,948,705/143,010,638.16
  6. Step 6: Final answer
    x = 61,162,581.88

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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.