Home / 205,936,433.60-308,899,927.20-103,673,009.60

Finding the Fourth Proportional to 205,936,433.60, 308,899,927.20 and 103,673,009.60

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Solution

The fourth proportional to 205,936,433.60, 308,899,927.20 and 103,673,009.60 is: 155,507,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,936,433.60 : 308,899,927.20 = 103,673,009.60 : x
  2. Step 2: Convert to fraction form
    205,936,433.60/308,899,927.20 = 103,673,009.60/x
  3. Step 3: Cross multiply
    205,936,433.60x = 308,899,927.20 × 103,673,009.60
  4. Step 4: Simplify right side
    205,936,433.60x = 32,024,585,118,044,900
  5. Step 5: Solve for x
    x = 32,024,585,118,044,900/205,936,433.60
  6. Step 6: Final answer
    x = 155,507,136.64

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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.