Home / 280,274,264.61-420,409,867.63-114,277,118.22

Finding the Fourth Proportional to 280,274,264.61, 420,409,867.63 and 114,277,118.22

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Solution

The fourth proportional to 280,274,264.61, 420,409,867.63 and 114,277,118.22 is: 171,415,053.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,274,264.61 : 420,409,867.63 = 114,277,118.22 : x
  2. Step 2: Convert to fraction form
    280,274,264.61/420,409,867.63 = 114,277,118.22/x
  3. Step 3: Cross multiply
    280,274,264.61x = 420,409,867.63 × 114,277,118.22
  4. Step 4: Simplify right side
    280,274,264.61x = 48,043,228,144,421,744
  5. Step 5: Solve for x
    x = 48,043,228,144,421,744/280,274,264.61
  6. Step 6: Final answer
    x = 171,415,053.79

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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.