Home / 290,343,341.58-400,673,591.19-159,963,149.58

Finding the Fourth Proportional to 290,343,341.58, 400,673,591.19 and 159,963,149.58

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Solution

The fourth proportional to 290,343,341.58, 400,673,591.19 and 159,963,149.58 is: 220,749,025.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,343,341.58 : 400,673,591.19 = 159,963,149.58 : x
  2. Step 2: Convert to fraction form
    290,343,341.58/400,673,591.19 = 159,963,149.58/x
  3. Step 3: Cross multiply
    290,343,341.58x = 400,673,591.19 × 159,963,149.58
  4. Step 4: Simplify right side
    290,343,341.58x = 64,093,009,600,281,744
  5. Step 5: Solve for x
    x = 64,093,009,600,281,744/290,343,341.58
  6. Step 6: Final answer
    x = 220,749,025.11

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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.