Home / 122,687,311.20-183,712,102.20-96,965,566.80

Finding the Fourth Proportional to 122,687,311.20, 183,712,102.20 and 96,965,566.80

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Solution

The fourth proportional to 122,687,311.20, 183,712,102.20 and 96,965,566.80 is: 145,196,336.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,687,311.20 : 183,712,102.20 = 96,965,566.80 : x
  2. Step 2: Convert to fraction form
    122,687,311.20/183,712,102.20 = 96,965,566.80/x
  3. Step 3: Cross multiply
    122,687,311.20x = 183,712,102.20 × 96,965,566.80
  4. Step 4: Simplify right side
    122,687,311.20x = 17,813,748,117,842,526
  5. Step 5: Solve for x
    x = 17,813,748,117,842,526/122,687,311.20
  6. Step 6: Final answer
    x = 145,196,336.47

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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.