Home / 205,138,404.80-307,446,333.60-83,832,804.80

Finding the Fourth Proportional to 205,138,404.80, 307,446,333.60 and 83,832,804.80

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Solution

The fourth proportional to 205,138,404.80, 307,446,333.60 and 83,832,804.80 is: 125,642,433.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,138,404.80 : 307,446,333.60 = 83,832,804.80 : x
  2. Step 2: Convert to fraction form
    205,138,404.80/307,446,333.60 = 83,832,804.80/x
  3. Step 3: Cross multiply
    205,138,404.80x = 307,446,333.60 × 83,832,804.80
  4. Step 4: Simplify right side
    205,138,404.80x = 25,774,088,471,164,484
  5. Step 5: Solve for x
    x = 25,774,088,471,164,484/205,138,404.80
  6. Step 6: Final answer
    x = 125,642,433.93

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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.