Home / 81,015,550,582.14-111,801,459,804.39-45,372,865,594.14

Finding the Fourth Proportional to 81,015,550,582.14, 111,801,459,804.39 and 45,372,865,594.14

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Solution

The fourth proportional to 81,015,550,582.14, 111,801,459,804.39 and 45,372,865,594.14 is: 62,614,554,520.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,015,550,582.14 : 111,801,459,804.39 = 45,372,865,594.14 : x
  2. Step 2: Convert to fraction form
    81,015,550,582.14/111,801,459,804.39 = 45,372,865,594.14/x
  3. Step 3: Cross multiply
    81,015,550,582.14x = 111,801,459,804.39 × 45,372,865,594.14
  4. Step 4: Simplify right side
    81,015,550,582.14x = 5,072,752,608,933,232,771,072
  5. Step 5: Solve for x
    x = 5,072,752,608,933,232,771,072/81,015,550,582.14
  6. Step 6: Final answer
    x = 62,614,554,520.49

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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.