Home / 124,401,240.80-186,601,861.20-79,163,583.20

Finding the Fourth Proportional to 124,401,240.80, 186,601,861.20 and 79,163,583.20

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Solution

The fourth proportional to 124,401,240.80, 186,601,861.20 and 79,163,583.20 is: 118,745,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,401,240.80 : 186,601,861.20 = 79,163,583.20 : x
  2. Step 2: Convert to fraction form
    124,401,240.80/186,601,861.20 = 79,163,583.20/x
  3. Step 3: Cross multiply
    124,401,240.80x = 186,601,861.20 × 79,163,583.20
  4. Step 4: Simplify right side
    124,401,240.80x = 14,772,071,964,381,052
  5. Step 5: Solve for x
    x = 14,772,071,964,381,052/124,401,240.80
  6. Step 6: Final answer
    x = 118,745,374.80

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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.