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Finding the Fourth Proportional to 157,819,412, 236,729,118 and 44,352,020

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Solution

The fourth proportional to 157,819,412, 236,729,118 and 44,352,020 is: 66,528,030

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,819,412 : 236,729,118 = 44,352,020 : x
  2. Step 2: Convert to fraction form
    157,819,412/236,729,118 = 44,352,020/x
  3. Step 3: Cross multiply
    157,819,412x = 236,729,118 × 44,352,020
  4. Step 4: Simplify right side
    157,819,412x = 10,499,414,576,118,360
  5. Step 5: Solve for x
    x = 10,499,414,576,118,360/157,819,412
  6. Step 6: Final answer
    x = 66,528,030

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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.