Home / 233,084,582.66-321,655,602.58-128,661,740.57

Finding the Fourth Proportional to 233,084,582.66, 321,655,602.58 and 128,661,740.57

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Solution

The fourth proportional to 233,084,582.66, 321,655,602.58 and 128,661,740.57 is: 177,552,582.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,084,582.66 : 321,655,602.58 = 128,661,740.57 : x
  2. Step 2: Convert to fraction form
    233,084,582.66/321,655,602.58 = 128,661,740.57/x
  3. Step 3: Cross multiply
    233,084,582.66x = 321,655,602.58 × 128,661,740.57
  4. Step 4: Simplify right side
    233,084,582.66x = 41,384,769,691,391,672
  5. Step 5: Solve for x
    x = 41,384,769,691,391,672/233,084,582.66
  6. Step 6: Final answer
    x = 177,552,582.93

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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.