Home / 218,501,666.37-301,528,780.20-119,380,284.81

Finding the Fourth Proportional to 218,501,666.37, 301,528,780.20 and 119,380,284.81

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Solution

The fourth proportional to 218,501,666.37, 301,528,780.20 and 119,380,284.81 is: 164,742,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,501,666.37 : 301,528,780.20 = 119,380,284.81 : x
  2. Step 2: Convert to fraction form
    218,501,666.37/301,528,780.20 = 119,380,284.81/x
  3. Step 3: Cross multiply
    218,501,666.37x = 301,528,780.20 × 119,380,284.81
  4. Step 4: Simplify right side
    218,501,666.37x = 35,996,591,658,687,888
  5. Step 5: Solve for x
    x = 35,996,591,658,687,888/218,501,666.37
  6. Step 6: Final answer
    x = 164,742,870.19

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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.