Home / 143,010,640.16-214,517,953.14-40,774,677.78

Finding the Fourth Proportional to 143,010,640.16, 214,517,953.14 and 40,774,677.78

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Solution

The fourth proportional to 143,010,640.16, 214,517,953.14 and 40,774,677.78 is: 61,162,584.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,010,640.16 : 214,517,953.14 = 40,774,677.78 : x
  2. Step 2: Convert to fraction form
    143,010,640.16/214,517,953.14 = 40,774,677.78/x
  3. Step 3: Cross multiply
    143,010,640.16x = 214,517,953.14 × 40,774,677.78
  4. Step 4: Simplify right side
    143,010,640.16x = 8,746,900,417,308,639
  5. Step 5: Solve for x
    x = 8,746,900,417,308,639/143,010,640.16
  6. Step 6: Final answer
    x = 61,162,584.88

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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.