Home / 78,018,190,106.94-107,663,271,052.23-45,905,632,227.90

Finding the Fourth Proportional to 78,018,190,106.94, 107,663,271,052.23 and 45,905,632,227.90

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Solution

The fourth proportional to 78,018,190,106.94, 107,663,271,052.23 and 45,905,632,227.90 is: 63,348,694,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,018,190,106.94 : 107,663,271,052.23 = 45,905,632,227.90 : x
  2. Step 2: Convert to fraction form
    78,018,190,106.94/107,663,271,052.23 = 45,905,632,227.90/x
  3. Step 3: Cross multiply
    78,018,190,106.94x = 107,663,271,052.23 × 45,905,632,227.90
  4. Step 4: Simplify right side
    78,018,190,106.94x = 4,942,350,525,376,382,369,792
  5. Step 5: Solve for x
    x = 4,942,350,525,376,382,369,792/78,018,190,106.94
  6. Step 6: Final answer
    x = 63,348,694,946.68

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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.