Home / 218,439,615.35-301,446,657.59-117,968,044.08

Finding the Fourth Proportional to 218,439,615.35, 301,446,657.59 and 117,968,044.08

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Solution

The fourth proportional to 218,439,615.35, 301,446,657.59 and 117,968,044.08 is: 162,795,894.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,439,615.35 : 301,446,657.59 = 117,968,044.08 : x
  2. Step 2: Convert to fraction form
    218,439,615.35/301,446,657.59 = 117,968,044.08/x
  3. Step 3: Cross multiply
    218,439,615.35x = 301,446,657.59 × 117,968,044.08
  4. Step 4: Simplify right side
    218,439,615.35x = 35,561,072,590,345,784
  5. Step 5: Solve for x
    x = 35,561,072,590,345,784/218,439,615.35
  6. Step 6: Final answer
    x = 162,795,894.57

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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.