Home / 186,551,015.36-279,862,389.84-71,526,586.82

Finding the Fourth Proportional to 186,551,015.36, 279,862,389.84 and 71,526,586.82

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Solution

The fourth proportional to 186,551,015.36, 279,862,389.84 and 71,526,586.82 is: 107,303,632.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,551,015.36 : 279,862,389.84 = 71,526,586.82 : x
  2. Step 2: Convert to fraction form
    186,551,015.36/279,862,389.84 = 71,526,586.82/x
  3. Step 3: Cross multiply
    186,551,015.36x = 279,862,389.84 × 71,526,586.82
  4. Step 4: Simplify right side
    186,551,015.36x = 20,017,601,524,543,444
  5. Step 5: Solve for x
    x = 20,017,601,524,543,444/186,551,015.36
  6. Step 6: Final answer
    x = 107,303,632.12

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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.