Home / 103,237,366.23-142,470,703.26-73,115,826.66

Finding the Fourth Proportional to 103,237,366.23, 142,470,703.26 and 73,115,826.66

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Solution

The fourth proportional to 103,237,366.23, 142,470,703.26 and 73,115,826.66 is: 100,902,063.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,237,366.23 : 142,470,703.26 = 73,115,826.66 : x
  2. Step 2: Convert to fraction form
    103,237,366.23/142,470,703.26 = 73,115,826.66/x
  3. Step 3: Cross multiply
    103,237,366.23x = 142,470,703.26 × 73,115,826.66
  4. Step 4: Simplify right side
    103,237,366.23x = 10,416,863,243,686,456
  5. Step 5: Solve for x
    x = 10,416,863,243,686,456/103,237,366.23
  6. Step 6: Final answer
    x = 100,902,063.12

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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.