Home / 203,615,999.80-304,976,102.10-180,922,521.40

Finding the Fourth Proportional to 203,615,999.80, 304,976,102.10 and 180,922,521.40

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Solution

The fourth proportional to 203,615,999.80, 304,976,102.10 and 180,922,521.40 is: 270,985,803.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,615,999.80 : 304,976,102.10 = 180,922,521.40 : x
  2. Step 2: Convert to fraction form
    203,615,999.80/304,976,102.10 = 180,922,521.40/x
  3. Step 3: Cross multiply
    203,615,999.80x = 304,976,102.10 × 180,922,521.40
  4. Step 4: Simplify right side
    203,615,999.80x = 55,177,045,358,675,840
  5. Step 5: Solve for x
    x = 55,177,045,358,675,840/203,615,999.80
  6. Step 6: Final answer
    x = 270,985,803.73

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1.5x scale

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.