Home / 147,623,908,991.40-221,414,364,402.30-42,923,366,015.40

Finding the Fourth Proportional to 147,623,908,991.40, 221,414,364,402.30 and 42,923,366,015.40

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Solution

The fourth proportional to 147,623,908,991.40, 221,414,364,402.30 and 42,923,366,015.40 is: 64,378,797,914.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,623,908,991.40 : 221,414,364,402.30 = 42,923,366,015.40 : x
  2. Step 2: Convert to fraction form
    147,623,908,991.40/221,414,364,402.30 = 42,923,366,015.40/x
  3. Step 3: Cross multiply
    147,623,908,991.40x = 221,414,364,402.30 × 42,923,366,015.40
  4. Step 4: Simplify right side
    147,623,908,991.40x = 9,503,849,804,307,074,383,872
  5. Step 5: Solve for x
    x = 9,503,849,804,307,074,383,872/147,623,908,991.40
  6. Step 6: Final answer
    x = 64,378,797,914.51

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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.