Home / 157,171,637.38-235,792,798.72-47,987,674.42

Finding the Fourth Proportional to 157,171,637.38, 235,792,798.72 and 47,987,674.42

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Solution

The fourth proportional to 157,171,637.38, 235,792,798.72 and 47,987,674.42 is: 71,992,302.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,171,637.38 : 235,792,798.72 = 47,987,674.42 : x
  2. Step 2: Convert to fraction form
    157,171,637.38/235,792,798.72 = 47,987,674.42/x
  3. Step 3: Cross multiply
    157,171,637.38x = 235,792,798.72 × 47,987,674.42
  4. Step 4: Simplify right side
    157,171,637.38x = 11,315,148,055,555,954
  5. Step 5: Solve for x
    x = 11,315,148,055,555,954/157,171,637.38
  6. Step 6: Final answer
    x = 71,992,302.45

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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.