Home / 121,322,564.40-181,983,846.60-53,298,116.40

Finding the Fourth Proportional to 121,322,564.40, 181,983,846.60 and 53,298,116.40

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Solution

The fourth proportional to 121,322,564.40, 181,983,846.60 and 53,298,116.40 is: 79,947,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,322,564.40 : 181,983,846.60 = 53,298,116.40 : x
  2. Step 2: Convert to fraction form
    121,322,564.40/181,983,846.60 = 53,298,116.40/x
  3. Step 3: Cross multiply
    121,322,564.40x = 181,983,846.60 × 53,298,116.40
  4. Step 4: Simplify right side
    121,322,564.40x = 9,699,396,239,006,544
  5. Step 5: Solve for x
    x = 9,699,396,239,006,544/121,322,564.40
  6. Step 6: Final answer
    x = 79,947,174.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.