Home / 78,018,190,107.44-107,663,271,052.92-45,905,632,228.40

Finding the Fourth Proportional to 78,018,190,107.44, 107,663,271,052.92 and 45,905,632,228.40

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Solution

The fourth proportional to 78,018,190,107.44, 107,663,271,052.92 and 45,905,632,228.40 is: 63,348,694,947.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,018,190,107.44 : 107,663,271,052.92 = 45,905,632,228.40 : x
  2. Step 2: Convert to fraction form
    78,018,190,107.44/107,663,271,052.92 = 45,905,632,228.40/x
  3. Step 3: Cross multiply
    78,018,190,107.44x = 107,663,271,052.92 × 45,905,632,228.40
  4. Step 4: Simplify right side
    78,018,190,107.44x = 4,942,350,525,461,889,548,288
  5. Step 5: Solve for x
    x = 4,942,350,525,461,889,548,288/78,018,190,107.44
  6. Step 6: Final answer
    x = 63,348,694,947.37

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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.