Home / 216,560,688.23-298,866,389.69-122,483,175.57

Finding the Fourth Proportional to 216,560,688.23, 298,866,389.69 and 122,483,175.57

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Solution

The fourth proportional to 216,560,688.23, 298,866,389.69 and 122,483,175.57 is: 169,033,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,560,688.23 : 298,866,389.69 = 122,483,175.57 : x
  2. Step 2: Convert to fraction form
    216,560,688.23/298,866,389.69 = 122,483,175.57/x
  3. Step 3: Cross multiply
    216,560,688.23x = 298,866,389.69 × 122,483,175.57
  4. Step 4: Simplify right side
    216,560,688.23x = 36,606,104,480,678,512
  5. Step 5: Solve for x
    x = 36,606,104,480,678,512/216,560,688.23
  6. Step 6: Final answer
    x = 169,033,931.22

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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.