Home / 272,611,527.40-408,919,623.90-90,858,705.40

Finding the Fourth Proportional to 272,611,527.40, 408,919,623.90 and 90,858,705.40

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Solution

The fourth proportional to 272,611,527.40, 408,919,623.90 and 90,858,705.40 is: 136,288,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,611,527.40 : 408,919,623.90 = 90,858,705.40 : x
  2. Step 2: Convert to fraction form
    272,611,527.40/408,919,623.90 = 90,858,705.40/x
  3. Step 3: Cross multiply
    272,611,527.40x = 408,919,623.90 × 90,858,705.40
  4. Step 4: Simplify right side
    272,611,527.40x = 37,153,907,640,208,896
  5. Step 5: Solve for x
    x = 37,153,907,640,208,896/272,611,527.40
  6. Step 6: Final answer
    x = 136,288,835.60

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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.