Home / 210,123,196.66-289,966,984.53-116,041,324.48

Finding the Fourth Proportional to 210,123,196.66, 289,966,984.53 and 116,041,324.48

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Solution

The fourth proportional to 210,123,196.66, 289,966,984.53 and 116,041,324.48 is: 160,135,356.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,123,196.66 : 289,966,984.53 = 116,041,324.48 : x
  2. Step 2: Convert to fraction form
    210,123,196.66/289,966,984.53 = 116,041,324.48/x
  3. Step 3: Cross multiply
    210,123,196.66x = 289,966,984.53 × 116,041,324.48
  4. Step 4: Simplify right side
    210,123,196.66x = 33,648,152,940,332,868
  5. Step 5: Solve for x
    x = 33,648,152,940,332,868/210,123,196.66
  6. Step 6: Final answer
    x = 160,135,356.19

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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.