Home / 81,144,909,485.19-111,980,106,823.41-45,015,942,843.18

Finding the Fourth Proportional to 81,144,909,485.19, 111,980,106,823.41 and 45,015,942,843.18

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Solution

The fourth proportional to 81,144,909,485.19, 111,980,106,823.41 and 45,015,942,843.18 is: 62,122,074,204.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,144,909,485.19 : 111,980,106,823.41 = 45,015,942,843.18 : x
  2. Step 2: Convert to fraction form
    81,144,909,485.19/111,980,106,823.41 = 45,015,942,843.18/x
  3. Step 3: Cross multiply
    81,144,909,485.19x = 111,980,106,823.41 × 45,015,942,843.18
  4. Step 4: Simplify right side
    81,144,909,485.19x = 5,040,890,088,335,815,475,200
  5. Step 5: Solve for x
    x = 5,040,890,088,335,815,475,200/81,144,909,485.19
  6. Step 6: Final answer
    x = 62,122,074,204.25

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Double scale
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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.