Home / 218,452,253.45-301,473,272.99-125,632,835.51

Finding the Fourth Proportional to 218,452,253.45, 301,473,272.99 and 125,632,835.51

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Solution

The fourth proportional to 218,452,253.45, 301,473,272.99 and 125,632,835.51 is: 173,378,582.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,452,253.45 : 301,473,272.99 = 125,632,835.51 : x
  2. Step 2: Convert to fraction form
    218,452,253.45/301,473,272.99 = 125,632,835.51/x
  3. Step 3: Cross multiply
    218,452,253.45x = 301,473,272.99 × 125,632,835.51
  4. Step 4: Simplify right side
    218,452,253.45x = 37,874,942,115,020,712
  5. Step 5: Solve for x
    x = 37,874,942,115,020,712/218,452,253.45
  6. Step 6: Final answer
    x = 173,378,582.81

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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.