Home / 190,081,665.88-262,312,806.54-103,161,537.88

Finding the Fourth Proportional to 190,081,665.88, 262,312,806.54 and 103,161,537.88

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Solution

The fourth proportional to 190,081,665.88, 262,312,806.54 and 103,161,537.88 is: 142,362,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,081,665.88 : 262,312,806.54 = 103,161,537.88 : x
  2. Step 2: Convert to fraction form
    190,081,665.88/262,312,806.54 = 103,161,537.88/x
  3. Step 3: Cross multiply
    190,081,665.88x = 262,312,806.54 × 103,161,537.88
  4. Step 4: Simplify right side
    190,081,665.88x = 27,060,592,528,285,320
  5. Step 5: Solve for x
    x = 27,060,592,528,285,320/190,081,665.88
  6. Step 6: Final answer
    x = 142,362,980.69

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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.