Home / 73,197,128,422.80-109,795,692,634.20-70,097,764,510.80

Finding the Fourth Proportional to 73,197,128,422.80, 109,795,692,634.20 and 70,097,764,510.80

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Solution

The fourth proportional to 73,197,128,422.80, 109,795,692,634.20 and 70,097,764,510.80 is: 105,146,646,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,197,128,422.80 : 109,795,692,634.20 = 70,097,764,510.80 : x
  2. Step 2: Convert to fraction form
    73,197,128,422.80/109,795,692,634.20 = 70,097,764,510.80/x
  3. Step 3: Cross multiply
    73,197,128,422.80x = 109,795,692,634.20 × 70,097,764,510.80
  4. Step 4: Simplify right side
    73,197,128,422.80x = 7,696,432,606,572,330,352,640
  5. Step 5: Solve for x
    x = 7,696,432,606,572,330,352,640/73,197,128,422.80
  6. Step 6: Final answer
    x = 105,146,646,766.20

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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.