Home / 69,920,064,421.40-104,880,096,632.10-68,759,113,842.20

Finding the Fourth Proportional to 69,920,064,421.40, 104,880,096,632.10 and 68,759,113,842.20

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Solution

The fourth proportional to 69,920,064,421.40, 104,880,096,632.10 and 68,759,113,842.20 is: 103,138,670,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,920,064,421.40 : 104,880,096,632.10 = 68,759,113,842.20 : x
  2. Step 2: Convert to fraction form
    69,920,064,421.40/104,880,096,632.10 = 68,759,113,842.20/x
  3. Step 3: Cross multiply
    69,920,064,421.40x = 104,880,096,632.10 × 68,759,113,842.20
  4. Step 4: Simplify right side
    69,920,064,421.40x = 7,211,462,504,107,501,158,400
  5. Step 5: Solve for x
    x = 7,211,462,504,107,501,158,400/69,920,064,421.40
  6. Step 6: Final answer
    x = 103,138,670,763.30

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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.