Home / 219,780,230.40-329,670,345.60-207,239,097.60

Finding the Fourth Proportional to 219,780,230.40, 329,670,345.60 and 207,239,097.60

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Solution

The fourth proportional to 219,780,230.40, 329,670,345.60 and 207,239,097.60 is: 310,858,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,780,230.40 : 329,670,345.60 = 207,239,097.60 : x
  2. Step 2: Convert to fraction form
    219,780,230.40/329,670,345.60 = 207,239,097.60/x
  3. Step 3: Cross multiply
    219,780,230.40x = 329,670,345.60 × 207,239,097.60
  4. Step 4: Simplify right side
    219,780,230.40x = 68,320,584,927,624,136
  5. Step 5: Solve for x
    x = 68,320,584,927,624,136/219,780,230.40
  6. Step 6: Final answer
    x = 310,858,646.40

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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.