Home / 233,128,021.77-321,861,860.93-148,402,945.61

Finding the Fourth Proportional to 233,128,021.77, 321,861,860.93 and 148,402,945.61

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Solution

The fourth proportional to 233,128,021.77, 321,861,860.93 and 148,402,945.61 is: 204,888,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,128,021.77 : 321,861,860.93 = 148,402,945.61 : x
  2. Step 2: Convert to fraction form
    233,128,021.77/321,861,860.93 = 148,402,945.61/x
  3. Step 3: Cross multiply
    233,128,021.77x = 321,861,860.93 × 148,402,945.61
  4. Step 4: Simplify right side
    233,128,021.77x = 47,765,248,241,528,176
  5. Step 5: Solve for x
    x = 47,765,248,241,528,176/233,128,021.77
  6. Step 6: Final answer
    x = 204,888,489.50

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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.