Home / 210,802,135.77-290,916,038.16-116,716,284.59

Finding the Fourth Proportional to 210,802,135.77, 290,916,038.16 and 116,716,284.59

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Solution

The fourth proportional to 210,802,135.77, 290,916,038.16 and 116,716,284.59 is: 161,073,506.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,802,135.77 : 290,916,038.16 = 116,716,284.59 : x
  2. Step 2: Convert to fraction form
    210,802,135.77/290,916,038.16 = 116,716,284.59/x
  3. Step 3: Cross multiply
    210,802,135.77x = 290,916,038.16 × 116,716,284.59
  4. Step 4: Simplify right side
    210,802,135.77x = 33,954,639,100,223,280
  5. Step 5: Solve for x
    x = 33,954,639,100,223,280/210,802,135.77
  6. Step 6: Final answer
    x = 161,073,506.09

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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.