Home / 88,991,603.20-133,487,404.80-28,409,305.60

Finding the Fourth Proportional to 88,991,603.20, 133,487,404.80 and 28,409,305.60

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Solution

The fourth proportional to 88,991,603.20, 133,487,404.80 and 28,409,305.60 is: 42,613,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,991,603.20 : 133,487,404.80 = 28,409,305.60 : x
  2. Step 2: Convert to fraction form
    88,991,603.20/133,487,404.80 = 28,409,305.60/x
  3. Step 3: Cross multiply
    88,991,603.20x = 133,487,404.80 × 28,409,305.60
  4. Step 4: Simplify right side
    88,991,603.20x = 3,792,284,476,714,107
  5. Step 5: Solve for x
    x = 3,792,284,476,714,107/88,991,603.20
  6. Step 6: Final answer
    x = 42,613,958.40

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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.