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Finding the Fourth Proportional to 121,043,485,479.90, 181,238,710,869.45 and 121,043,485,479.90

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Solution

The fourth proportional to 121,043,485,479.90, 181,238,710,869.45 and 121,043,485,479.90 is: 181,238,710,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,043,485,479.90 : 181,238,710,869.45 = 121,043,485,479.90 : x
  2. Step 2: Convert to fraction form
    121,043,485,479.90/181,238,710,869.45 = 121,043,485,479.90/x
  3. Step 3: Cross multiply
    121,043,485,479.90x = 181,238,710,869.45 × 121,043,485,479.90
  4. Step 4: Simplify right side
    121,043,485,479.90x = 21,937,765,267,522,065,530,880
  5. Step 5: Solve for x
    x = 21,937,765,267,522,065,530,880/121,043,485,479.90
  6. Step 6: Final answer
    x = 181,238,710,869.45

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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.