Home / 233,128,021.48-321,861,860.53-148,402,945.34

Finding the Fourth Proportional to 233,128,021.48, 321,861,860.53 and 148,402,945.34

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Solution

The fourth proportional to 233,128,021.48, 321,861,860.53 and 148,402,945.34 is: 204,888,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,128,021.48 : 321,861,860.53 = 148,402,945.34 : x
  2. Step 2: Convert to fraction form
    233,128,021.48/321,861,860.53 = 148,402,945.34/x
  3. Step 3: Cross multiply
    233,128,021.48x = 321,861,860.53 × 148,402,945.34
  4. Step 4: Simplify right side
    233,128,021.48x = 47,765,248,095,264,288
  5. Step 5: Solve for x
    x = 47,765,248,095,264,288/233,128,021.48
  6. Step 6: Final answer
    x = 204,888,489.13

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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.