Home / 242,784,281.40-364,176,422.10-214,724,196.60

Finding the Fourth Proportional to 242,784,281.40, 364,176,422.10 and 214,724,196.60

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Solution

The fourth proportional to 242,784,281.40, 364,176,422.10 and 214,724,196.60 is: 322,086,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,784,281.40 : 364,176,422.10 = 214,724,196.60 : x
  2. Step 2: Convert to fraction form
    242,784,281.40/364,176,422.10 = 214,724,196.60/x
  3. Step 3: Cross multiply
    242,784,281.40x = 364,176,422.10 × 214,724,196.60
  4. Step 4: Simplify right side
    242,784,281.40x = 78,197,489,656,084,992
  5. Step 5: Solve for x
    x = 78,197,489,656,084,992/242,784,281.40
  6. Step 6: Final answer
    x = 322,086,294.90

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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.