Home / 253,224,928.48-349,450,401.36-137,331,424.48

Finding the Fourth Proportional to 253,224,928.48, 349,450,401.36 and 137,331,424.48

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Solution

The fourth proportional to 253,224,928.48, 349,450,401.36 and 137,331,424.48 is: 189,517,365.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,224,928.48 : 349,450,401.36 = 137,331,424.48 : x
  2. Step 2: Convert to fraction form
    253,224,928.48/349,450,401.36 = 137,331,424.48/x
  3. Step 3: Cross multiply
    253,224,928.48x = 349,450,401.36 × 137,331,424.48
  4. Step 4: Simplify right side
    253,224,928.48x = 47,990,521,403,876,528
  5. Step 5: Solve for x
    x = 47,990,521,403,876,528/253,224,928.48
  6. Step 6: Final answer
    x = 189,517,365.81

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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.