Home / 118,565,169.39-163,619,933.73-64,301,361.39

Finding the Fourth Proportional to 118,565,169.39, 163,619,933.73 and 64,301,361.39

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Solution

The fourth proportional to 118,565,169.39, 163,619,933.73 and 64,301,361.39 is: 88,735,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,565,169.39 : 163,619,933.73 = 64,301,361.39 : x
  2. Step 2: Convert to fraction form
    118,565,169.39/163,619,933.73 = 64,301,361.39/x
  3. Step 3: Cross multiply
    118,565,169.39x = 163,619,933.73 × 64,301,361.39
  4. Step 4: Simplify right side
    118,565,169.39x = 10,520,984,489,380,580
  5. Step 5: Solve for x
    x = 10,520,984,489,380,580/118,565,169.39
  6. Step 6: Final answer
    x = 88,735,878.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.