Home / 51,714,688-71,366,819.16-28,510,645.36

Finding the Fourth Proportional to 51,714,688, 71,366,819.16 and 28,510,645.36

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Solution

The fourth proportional to 51,714,688, 71,366,819.16 and 28,510,645.36 is: 39,344,993.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,714,688 : 71,366,819.16 = 28,510,645.36 : x
  2. Step 2: Convert to fraction form
    51,714,688/71,366,819.16 = 28,510,645.36/x
  3. Step 3: Cross multiply
    51,714,688x = 71,366,819.16 × 28,510,645.36
  4. Step 4: Simplify right side
    51,714,688x = 2,034,714,071,542,013
  5. Step 5: Solve for x
    x = 2,034,714,071,542,013/51,714,688
  6. Step 6: Final answer
    x = 39,344,993.66

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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.