Home / 157,789,243.20-236,571,890.40-60,707,438.40

Finding the Fourth Proportional to 157,789,243.20, 236,571,890.40 and 60,707,438.40

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Solution

The fourth proportional to 157,789,243.20, 236,571,890.40 and 60,707,438.40 is: 91,018,076.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,789,243.20 : 236,571,890.40 = 60,707,438.40 : x
  2. Step 2: Convert to fraction form
    157,789,243.20/236,571,890.40 = 60,707,438.40/x
  3. Step 3: Cross multiply
    157,789,243.20x = 236,571,890.40 × 60,707,438.40
  4. Step 4: Simplify right side
    157,789,243.20x = 14,361,673,463,629,552
  5. Step 5: Solve for x
    x = 14,361,673,463,629,552/157,789,243.20
  6. Step 6: Final answer
    x = 91,018,076.85

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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.