Home / 190,855,548.84-263,402,034.42-115,543,388.08

Finding the Fourth Proportional to 190,855,548.84, 263,402,034.42 and 115,543,388.08

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Solution

The fourth proportional to 190,855,548.84, 263,402,034.42 and 115,543,388.08 is: 159,462,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,855,548.84 : 263,402,034.42 = 115,543,388.08 : x
  2. Step 2: Convert to fraction form
    190,855,548.84/263,402,034.42 = 115,543,388.08/x
  3. Step 3: Cross multiply
    190,855,548.84x = 263,402,034.42 × 115,543,388.08
  4. Step 4: Simplify right side
    190,855,548.84x = 30,434,363,484,164,764
  5. Step 5: Solve for x
    x = 30,434,363,484,164,764/190,855,548.84
  6. Step 6: Final answer
    x = 159,462,817.13

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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.