Home / 73,197,128,404.80-109,795,692,607.20-70,097,764,492.80

Finding the Fourth Proportional to 73,197,128,404.80, 109,795,692,607.20 and 70,097,764,492.80

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Solution

The fourth proportional to 73,197,128,404.80, 109,795,692,607.20 and 70,097,764,492.80 is: 105,146,646,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,197,128,404.80 : 109,795,692,607.20 = 70,097,764,492.80 : x
  2. Step 2: Convert to fraction form
    73,197,128,404.80/109,795,692,607.20 = 70,097,764,492.80/x
  3. Step 3: Cross multiply
    73,197,128,404.80x = 109,795,692,607.20 × 70,097,764,492.80
  4. Step 4: Simplify right side
    73,197,128,404.80x = 7,696,432,602,703,368,028,160
  5. Step 5: Solve for x
    x = 7,696,432,602,703,368,028,160/73,197,128,404.80
  6. Step 6: Final answer
    x = 105,146,646,739.20

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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.