Home / 211,809,900.85-316,785,551.46-188,630,109.77

Finding the Fourth Proportional to 211,809,900.85, 316,785,551.46 and 188,630,109.77

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Solution

The fourth proportional to 211,809,900.85, 316,785,551.46 and 188,630,109.77 is: 282,117,564.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,809,900.85 : 316,785,551.46 = 188,630,109.77 : x
  2. Step 2: Convert to fraction form
    211,809,900.85/316,785,551.46 = 188,630,109.77/x
  3. Step 3: Cross multiply
    211,809,900.85x = 316,785,551.46 × 188,630,109.77
  4. Step 4: Simplify right side
    211,809,900.85x = 59,755,293,346,812,656
  5. Step 5: Solve for x
    x = 59,755,293,346,812,656/211,809,900.85
  6. Step 6: Final answer
    x = 282,117,564.42

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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.