Home / 205,001,012.20-308,173,364.70-144,833,434.60

Finding the Fourth Proportional to 205,001,012.20, 308,173,364.70 and 144,833,434.60

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Solution

The fourth proportional to 205,001,012.20, 308,173,364.70 and 144,833,434.60 is: 217,724,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,001,012.20 : 308,173,364.70 = 144,833,434.60 : x
  2. Step 2: Convert to fraction form
    205,001,012.20/308,173,364.70 = 144,833,434.60/x
  3. Step 3: Cross multiply
    205,001,012.20x = 308,173,364.70 × 144,833,434.60
  4. Step 4: Simplify right side
    205,001,012.20x = 44,633,806,861,739,392
  5. Step 5: Solve for x
    x = 44,633,806,861,739,392/205,001,012.20
  6. Step 6: Final answer
    x = 217,724,812.10

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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.