Home / 204,950,021.46-282,837,774.44-112,128,405.18

Finding the Fourth Proportional to 204,950,021.46, 282,837,774.44 and 112,128,405.18

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Solution

The fourth proportional to 204,950,021.46, 282,837,774.44 and 112,128,405.18 is: 154,740,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,950,021.46 : 282,837,774.44 = 112,128,405.18 : x
  2. Step 2: Convert to fraction form
    204,950,021.46/282,837,774.44 = 112,128,405.18/x
  3. Step 3: Cross multiply
    204,950,021.46x = 282,837,774.44 × 112,128,405.18
  4. Step 4: Simplify right side
    204,950,021.46x = 31,714,148,572,617,768
  5. Step 5: Solve for x
    x = 31,714,148,572,617,768/204,950,021.46
  6. Step 6: Final answer
    x = 154,740,889.25

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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.