Home / 199,487,316.60-299,419,931.70-122,959,812.60

Finding the Fourth Proportional to 199,487,316.60, 299,419,931.70 and 122,959,812.60

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Solution

The fourth proportional to 199,487,316.60, 299,419,931.70 and 122,959,812.60 is: 184,556,187.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,487,316.60 : 299,419,931.70 = 122,959,812.60 : x
  2. Step 2: Convert to fraction form
    199,487,316.60/299,419,931.70 = 122,959,812.60/x
  3. Step 3: Cross multiply
    199,487,316.60x = 299,419,931.70 × 122,959,812.60
  4. Step 4: Simplify right side
    199,487,316.60x = 36,816,618,690,536,800
  5. Step 5: Solve for x
    x = 36,816,618,690,536,800/199,487,316.60
  6. Step 6: Final answer
    x = 184,556,187.92

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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.