Home / 125,089,028.44-172,629,230.58-72,146,047.56

Finding the Fourth Proportional to 125,089,028.44, 172,629,230.58 and 72,146,047.56

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Solution

The fourth proportional to 125,089,028.44, 172,629,230.58 and 72,146,047.56 is: 99,565,220.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,089,028.44 : 172,629,230.58 = 72,146,047.56 : x
  2. Step 2: Convert to fraction form
    125,089,028.44/172,629,230.58 = 72,146,047.56/x
  3. Step 3: Cross multiply
    125,089,028.44x = 172,629,230.58 × 72,146,047.56
  4. Step 4: Simplify right side
    125,089,028.44x = 12,454,516,679,670,888
  5. Step 5: Solve for x
    x = 12,454,516,679,670,888/125,089,028.44
  6. Step 6: Final answer
    x = 99,565,220.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.