Home / 210,401,578.14-290,329,031.43-116,303,013.78

Finding the Fourth Proportional to 210,401,578.14, 290,329,031.43 and 116,303,013.78

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Solution

The fourth proportional to 210,401,578.14, 290,329,031.43 and 116,303,013.78 is: 160,484,258.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,401,578.14 : 290,329,031.43 = 116,303,013.78 : x
  2. Step 2: Convert to fraction form
    210,401,578.14/290,329,031.43 = 116,303,013.78/x
  3. Step 3: Cross multiply
    210,401,578.14x = 290,329,031.43 × 116,303,013.78
  4. Step 4: Simplify right side
    210,401,578.14x = 33,766,141,343,137,344
  5. Step 5: Solve for x
    x = 33,766,141,343,137,344/210,401,578.14
  6. Step 6: Final answer
    x = 160,484,258.92

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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.