Home / 130,824,284.44-180,529,377.98-72,083,662.38

Finding the Fourth Proportional to 130,824,284.44, 180,529,377.98 and 72,083,662.38

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Solution

The fourth proportional to 130,824,284.44, 180,529,377.98 and 72,083,662.38 is: 99,470,971.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,824,284.44 : 180,529,377.98 = 72,083,662.38 : x
  2. Step 2: Convert to fraction form
    130,824,284.44/180,529,377.98 = 72,083,662.38/x
  3. Step 3: Cross multiply
    130,824,284.44x = 180,529,377.98 × 72,083,662.38
  4. Step 4: Simplify right side
    130,824,284.44x = 13,013,218,731,394,844
  5. Step 5: Solve for x
    x = 13,013,218,731,394,844/130,824,284.44
  6. Step 6: Final answer
    x = 99,470,971.98

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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.