Home / 279,606,252.51-419,409,015.89-75,134,332.35

Finding the Fourth Proportional to 279,606,252.51, 419,409,015.89 and 75,134,332.35

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Solution

The fourth proportional to 279,606,252.51, 419,409,015.89 and 75,134,332.35 is: 112,701,401.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,606,252.51 : 419,409,015.89 = 75,134,332.35 : x
  2. Step 2: Convert to fraction form
    279,606,252.51/419,409,015.89 = 75,134,332.35/x
  3. Step 3: Cross multiply
    279,606,252.51x = 419,409,015.89 × 75,134,332.35
  4. Step 4: Simplify right side
    279,606,252.51x = 31,512,016,390,090,016
  5. Step 5: Solve for x
    x = 31,512,016,390,090,016/279,606,252.51
  6. Step 6: Final answer
    x = 112,701,401.01

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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.