Home / 218,391,582.54-301,387,820.58-129,160,017.89

Finding the Fourth Proportional to 218,391,582.54, 301,387,820.58 and 129,160,017.89

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Solution

The fourth proportional to 218,391,582.54, 301,387,820.58 and 129,160,017.89 is: 178,245,222.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,391,582.54 : 301,387,820.58 = 129,160,017.89 : x
  2. Step 2: Convert to fraction form
    218,391,582.54/301,387,820.58 = 129,160,017.89/x
  3. Step 3: Cross multiply
    218,391,582.54x = 301,387,820.58 × 129,160,017.89
  4. Step 4: Simplify right side
    218,391,582.54x = 38,927,256,296,433,968
  5. Step 5: Solve for x
    x = 38,927,256,296,433,968/218,391,582.54
  6. Step 6: Final answer
    x = 178,245,222.84

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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.