Home / 204,719,006.40-307,078,509.60-66,544,346.40

Finding the Fourth Proportional to 204,719,006.40, 307,078,509.60 and 66,544,346.40

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Solution

The fourth proportional to 204,719,006.40, 307,078,509.60 and 66,544,346.40 is: 99,816,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,719,006.40 : 307,078,509.60 = 66,544,346.40 : x
  2. Step 2: Convert to fraction form
    204,719,006.40/307,078,509.60 = 66,544,346.40/x
  3. Step 3: Cross multiply
    204,719,006.40x = 307,078,509.60 × 66,544,346.40
  4. Step 4: Simplify right side
    204,719,006.40x = 20,434,338,714,818,128
  5. Step 5: Solve for x
    x = 20,434,338,714,818,128/204,719,006.40
  6. Step 6: Final answer
    x = 99,816,519.60

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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.