Home / 218,825,287.69-301,977,994.10-118,353,837.07

Finding the Fourth Proportional to 218,825,287.69, 301,977,994.10 and 118,353,837.07

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Solution

The fourth proportional to 218,825,287.69, 301,977,994.10 and 118,353,837.07 is: 163,327,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,825,287.69 : 301,977,994.10 = 118,353,837.07 : x
  2. Step 2: Convert to fraction form
    218,825,287.69/301,977,994.10 = 118,353,837.07/x
  3. Step 3: Cross multiply
    218,825,287.69x = 301,977,994.10 × 118,353,837.07
  4. Step 4: Simplify right side
    218,825,287.69x = 35,740,254,311,190,556
  5. Step 5: Solve for x
    x = 35,740,254,311,190,556/218,825,287.69
  6. Step 6: Final answer
    x = 163,327,806.80

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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.