Home / 145,582,760.72-218,482,599.60-106,821,374.64

Finding the Fourth Proportional to 145,582,760.72, 218,482,599.60 and 106,821,374.64

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Solution

The fourth proportional to 145,582,760.72, 218,482,599.60 and 106,821,374.64 is: 160,311,643.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,582,760.72 : 218,482,599.60 = 106,821,374.64 : x
  2. Step 2: Convert to fraction form
    145,582,760.72/218,482,599.60 = 106,821,374.64/x
  3. Step 3: Cross multiply
    145,582,760.72x = 218,482,599.60 × 106,821,374.64
  4. Step 4: Simplify right side
    145,582,760.72x = 23,338,611,624,192,712
  5. Step 5: Solve for x
    x = 23,338,611,624,192,712/145,582,760.72
  6. Step 6: Final answer
    x = 160,311,643.42

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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.