Home / 128,500,690.44-192,821,758.38-55,718,030.28

Finding the Fourth Proportional to 128,500,690.44, 192,821,758.38 and 55,718,030.28

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Solution

The fourth proportional to 128,500,690.44, 192,821,758.38 and 55,718,030.28 is: 83,607,710.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,500,690.44 : 192,821,758.38 = 55,718,030.28 : x
  2. Step 2: Convert to fraction form
    128,500,690.44/192,821,758.38 = 55,718,030.28/x
  3. Step 3: Cross multiply
    128,500,690.44x = 192,821,758.38 × 55,718,030.28
  4. Step 4: Simplify right side
    128,500,690.44x = 10,743,648,572,059,684
  5. Step 5: Solve for x
    x = 10,743,648,572,059,684/128,500,690.44
  6. Step 6: Final answer
    x = 83,607,710.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.