Home / 139,711,392,051.30-209,567,088,076.95-55,823,642,777.70

Finding the Fourth Proportional to 139,711,392,051.30, 209,567,088,076.95 and 55,823,642,777.70

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Solution

The fourth proportional to 139,711,392,051.30, 209,567,088,076.95 and 55,823,642,777.70 is: 83,735,464,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,711,392,051.30 : 209,567,088,076.95 = 55,823,642,777.70 : x
  2. Step 2: Convert to fraction form
    139,711,392,051.30/209,567,088,076.95 = 55,823,642,777.70/x
  3. Step 3: Cross multiply
    139,711,392,051.30x = 209,567,088,076.95 × 55,823,642,777.70
  4. Step 4: Simplify right side
    139,711,392,051.30x = 11,698,798,262,770,450,038,784
  5. Step 5: Solve for x
    x = 11,698,798,262,770,450,038,784/139,711,392,051.30
  6. Step 6: Final answer
    x = 83,735,464,166.55

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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.