Home / 125,157,800.80-187,736,701.20-106,262,120.80

Finding the Fourth Proportional to 125,157,800.80, 187,736,701.20 and 106,262,120.80

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Solution

The fourth proportional to 125,157,800.80, 187,736,701.20 and 106,262,120.80 is: 159,393,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,157,800.80 : 187,736,701.20 = 106,262,120.80 : x
  2. Step 2: Convert to fraction form
    125,157,800.80/187,736,701.20 = 106,262,120.80/x
  3. Step 3: Cross multiply
    125,157,800.80x = 187,736,701.20 × 106,262,120.80
  4. Step 4: Simplify right side
    125,157,800.80x = 19,949,300,021,507,904
  5. Step 5: Solve for x
    x = 19,949,300,021,507,904/125,157,800.80
  6. Step 6: Final answer
    x = 159,393,181.20

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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.