Home / 445,570,323.21-668,354,921.73-169,221,022.65

Finding the Fourth Proportional to 445,570,323.21, 668,354,921.73 and 169,221,022.65

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Solution

The fourth proportional to 445,570,323.21, 668,354,921.73 and 169,221,022.65 is: 253,831,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,570,323.21 : 668,354,921.73 = 169,221,022.65 : x
  2. Step 2: Convert to fraction form
    445,570,323.21/668,354,921.73 = 169,221,022.65/x
  3. Step 3: Cross multiply
    445,570,323.21x = 668,354,921.73 × 169,221,022.65
  4. Step 4: Simplify right side
    445,570,323.21x = 113,099,703,348,311,312
  5. Step 5: Solve for x
    x = 113,099,703,348,311,312/445,570,323.21
  6. Step 6: Final answer
    x = 253,831,320.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.