Home / 340,007,619.10-469,174,336.68-191,326,149.20

Finding the Fourth Proportional to 340,007,619.10, 469,174,336.68 and 191,326,149.20

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Solution

The fourth proportional to 340,007,619.10, 469,174,336.68 and 191,326,149.20 is: 264,009,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,007,619.10 : 469,174,336.68 = 191,326,149.20 : x
  2. Step 2: Convert to fraction form
    340,007,619.10/469,174,336.68 = 191,326,149.20/x
  3. Step 3: Cross multiply
    340,007,619.10x = 469,174,336.68 × 191,326,149.20
  4. Step 4: Simplify right side
    340,007,619.10x = 89,765,319,140,448,704
  5. Step 5: Solve for x
    x = 89,765,319,140,448,704/340,007,619.10
  6. Step 6: Final answer
    x = 264,009,728.31

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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.