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Finding the Fourth Proportional to 158,364,042.30, 222,011,990.10 and 158,364,042.30

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Solution

The fourth proportional to 158,364,042.30, 222,011,990.10 and 158,364,042.30 is: 222,011,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,364,042.30 : 222,011,990.10 = 158,364,042.30 : x
  2. Step 2: Convert to fraction form
    158,364,042.30/222,011,990.10 = 158,364,042.30/x
  3. Step 3: Cross multiply
    158,364,042.30x = 222,011,990.10 × 158,364,042.30
  4. Step 4: Simplify right side
    158,364,042.30x = 35,158,716,191,303,584
  5. Step 5: Solve for x
    x = 35,158,716,191,303,584/158,364,042.30
  6. Step 6: Final answer
    x = 222,011,990.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.