Home / 290,627,461.74-401,163,083.67-173,189,618.22

Finding the Fourth Proportional to 290,627,461.74, 401,163,083.67 and 173,189,618.22

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Solution

The fourth proportional to 290,627,461.74, 401,163,083.67 and 173,189,618.22 is: 239,059,588.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,627,461.74 : 401,163,083.67 = 173,189,618.22 : x
  2. Step 2: Convert to fraction form
    290,627,461.74/401,163,083.67 = 173,189,618.22/x
  3. Step 3: Cross multiply
    290,627,461.74x = 401,163,083.67 × 173,189,618.22
  4. Step 4: Simplify right side
    290,627,461.74x = 69,477,281,304,765,216
  5. Step 5: Solve for x
    x = 69,477,281,304,765,216/290,627,461.74
  6. Step 6: Final answer
    x = 239,059,588.14

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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.