Home / 285,091,628.06-393,426,446.61-154,711,436.06

Finding the Fourth Proportional to 285,091,628.06, 393,426,446.61 and 154,711,436.06

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Solution

The fourth proportional to 285,091,628.06, 393,426,446.61 and 154,711,436.06 is: 213,501,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,091,628.06 : 393,426,446.61 = 154,711,436.06 : x
  2. Step 2: Convert to fraction form
    285,091,628.06/393,426,446.61 = 154,711,436.06/x
  3. Step 3: Cross multiply
    285,091,628.06x = 393,426,446.61 × 154,711,436.06
  4. Step 4: Simplify right side
    285,091,628.06x = 60,867,570,539,016,024
  5. Step 5: Solve for x
    x = 60,867,570,539,016,024/285,091,628.06
  6. Step 6: Final answer
    x = 213,501,781.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.