Home / 214,440,364.80-321,660,547.20-178,727,529.60

Finding the Fourth Proportional to 214,440,364.80, 321,660,547.20 and 178,727,529.60

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Solution

The fourth proportional to 214,440,364.80, 321,660,547.20 and 178,727,529.60 is: 268,091,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,440,364.80 : 321,660,547.20 = 178,727,529.60 : x
  2. Step 2: Convert to fraction form
    214,440,364.80/321,660,547.20 = 178,727,529.60/x
  3. Step 3: Cross multiply
    214,440,364.80x = 321,660,547.20 × 178,727,529.60
  4. Step 4: Simplify right side
    214,440,364.80x = 57,489,594,970,840,192
  5. Step 5: Solve for x
    x = 57,489,594,970,840,192/214,440,364.80
  6. Step 6: Final answer
    x = 268,091,294.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.