Home / 233,084,582.16-321,655,601.88-128,661,740.07

Finding the Fourth Proportional to 233,084,582.16, 321,655,601.88 and 128,661,740.07

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Solution

The fourth proportional to 233,084,582.16, 321,655,601.88 and 128,661,740.07 is: 177,552,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,084,582.16 : 321,655,601.88 = 128,661,740.07 : x
  2. Step 2: Convert to fraction form
    233,084,582.16/321,655,601.88 = 128,661,740.07/x
  3. Step 3: Cross multiply
    233,084,582.16x = 321,655,601.88 × 128,661,740.07
  4. Step 4: Simplify right side
    233,084,582.16x = 41,384,769,440,822,304
  5. Step 5: Solve for x
    x = 41,384,769,440,822,304/233,084,582.16
  6. Step 6: Final answer
    x = 177,552,582.23

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1.5x scale

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.