Home / 233,128,031.64-321,861,874.56-148,402,955.52

Finding the Fourth Proportional to 233,128,031.64, 321,861,874.56 and 148,402,955.52

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Solution

The fourth proportional to 233,128,031.64, 321,861,874.56 and 148,402,955.52 is: 204,888,503.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,128,031.64 : 321,861,874.56 = 148,402,955.52 : x
  2. Step 2: Convert to fraction form
    233,128,031.64/321,861,874.56 = 148,402,955.52/x
  3. Step 3: Cross multiply
    233,128,031.64x = 321,861,874.56 × 148,402,955.52
  4. Step 4: Simplify right side
    233,128,031.64x = 47,765,253,453,911,504
  5. Step 5: Solve for x
    x = 47,765,253,453,911,504/233,128,031.64
  6. Step 6: Final answer
    x = 204,888,503.19

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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.