Home / 201,887,699-278,698,026.32-118,244,221.88

Finding the Fourth Proportional to 201,887,699, 278,698,026.32 and 118,244,221.88

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Solution

The fourth proportional to 201,887,699, 278,698,026.32 and 118,244,221.88 is: 163,231,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,887,699 : 278,698,026.32 = 118,244,221.88 : x
  2. Step 2: Convert to fraction form
    201,887,699/278,698,026.32 = 118,244,221.88/x
  3. Step 3: Cross multiply
    201,887,699x = 278,698,026.32 × 118,244,221.88
  4. Step 4: Simplify right side
    201,887,699x = 32,954,431,261,700,156
  5. Step 5: Solve for x
    x = 32,954,431,261,700,156/201,887,699
  6. Step 6: Final answer
    x = 163,231,496.64

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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.