Home / 128,404,185.80-192,492,903.44-98,246,680.52

Finding the Fourth Proportional to 128,404,185.80, 192,492,903.44 and 98,246,680.52

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Solution

The fourth proportional to 128,404,185.80, 192,492,903.44 and 98,246,680.52 is: 147,283,273.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,404,185.80 : 192,492,903.44 = 98,246,680.52 : x
  2. Step 2: Convert to fraction form
    128,404,185.80/192,492,903.44 = 98,246,680.52/x
  3. Step 3: Cross multiply
    128,404,185.80x = 192,492,903.44 × 98,246,680.52
  4. Step 4: Simplify right side
    128,404,185.80x = 18,911,788,786,636,888
  5. Step 5: Solve for x
    x = 18,911,788,786,636,888/128,404,185.80
  6. Step 6: Final answer
    x = 147,283,273.27

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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.