Home / 105,860,484,527.40-158,790,726,791.10-81,892,070,274.60

Finding the Fourth Proportional to 105,860,484,527.40, 158,790,726,791.10 and 81,892,070,274.60

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Solution

The fourth proportional to 105,860,484,527.40, 158,790,726,791.10 and 81,892,070,274.60 is: 122,838,105,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,860,484,527.40 : 158,790,726,791.10 = 81,892,070,274.60 : x
  2. Step 2: Convert to fraction form
    105,860,484,527.40/158,790,726,791.10 = 81,892,070,274.60/x
  3. Step 3: Cross multiply
    105,860,484,527.40x = 158,790,726,791.10 × 81,892,070,274.60
  4. Step 4: Simplify right side
    105,860,484,527.40x = 13,003,701,357,331,571,802,112
  5. Step 5: Solve for x
    x = 13,003,701,357,331,571,802,112/105,860,484,527.40
  6. Step 6: Final answer
    x = 122,838,105,411.90

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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.