Home / 73,197,128,405.80-109,795,692,608.70-70,097,764,493.80

Finding the Fourth Proportional to 73,197,128,405.80, 109,795,692,608.70 and 70,097,764,493.80

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Solution

The fourth proportional to 73,197,128,405.80, 109,795,692,608.70 and 70,097,764,493.80 is: 105,146,646,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,197,128,405.80 : 109,795,692,608.70 = 70,097,764,493.80 : x
  2. Step 2: Convert to fraction form
    73,197,128,405.80/109,795,692,608.70 = 70,097,764,493.80/x
  3. Step 3: Cross multiply
    73,197,128,405.80x = 109,795,692,608.70 × 70,097,764,493.80
  4. Step 4: Simplify right side
    73,197,128,405.80x = 7,696,432,602,918,310,379,520
  5. Step 5: Solve for x
    x = 7,696,432,602,918,310,379,520/73,197,128,405.80
  6. Step 6: Final answer
    x = 105,146,646,740.70

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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.