Home / 186,407,551.08-279,707,131.80-142,967,374.20

Finding the Fourth Proportional to 186,407,551.08, 279,707,131.80 and 142,967,374.20

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Solution

The fourth proportional to 186,407,551.08, 279,707,131.80 and 142,967,374.20 is: 214,524,540.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,407,551.08 : 279,707,131.80 = 142,967,374.20 : x
  2. Step 2: Convert to fraction form
    186,407,551.08/279,707,131.80 = 142,967,374.20/x
  3. Step 3: Cross multiply
    186,407,551.08x = 279,707,131.80 × 142,967,374.20
  4. Step 4: Simplify right side
    186,407,551.08x = 39,988,994,178,459,320
  5. Step 5: Solve for x
    x = 39,988,994,178,459,320/186,407,551.08
  6. Step 6: Final answer
    x = 214,524,540.16

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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.