Home / 81,144,908,241.52-111,980,105,107.29-45,015,941,600.11

Finding the Fourth Proportional to 81,144,908,241.52, 111,980,105,107.29 and 45,015,941,600.11

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Solution

The fourth proportional to 81,144,908,241.52, 111,980,105,107.29 and 45,015,941,600.11 is: 62,122,072,488.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,144,908,241.52 : 111,980,105,107.29 = 45,015,941,600.11 : x
  2. Step 2: Convert to fraction form
    81,144,908,241.52/111,980,105,107.29 = 45,015,941,600.11/x
  3. Step 3: Cross multiply
    81,144,908,241.52x = 111,980,105,107.29 × 45,015,941,600.11
  4. Step 4: Simplify right side
    81,144,908,241.52x = 5,040,889,871,883,722,293,248
  5. Step 5: Solve for x
    x = 5,040,889,871,883,722,293,248/81,144,908,241.52
  6. Step 6: Final answer
    x = 62,122,072,488.89

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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.