Home / 104,990,541.40-157,485,812.10-61,815,424.60

Finding the Fourth Proportional to 104,990,541.40, 157,485,812.10 and 61,815,424.60

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Solution

The fourth proportional to 104,990,541.40, 157,485,812.10 and 61,815,424.60 is: 92,723,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,990,541.40 : 157,485,812.10 = 61,815,424.60 : x
  2. Step 2: Convert to fraction form
    104,990,541.40/157,485,812.10 = 61,815,424.60/x
  3. Step 3: Cross multiply
    104,990,541.40x = 157,485,812.10 × 61,815,424.60
  4. Step 4: Simplify right side
    104,990,541.40x = 9,735,052,343,437,318
  5. Step 5: Solve for x
    x = 9,735,052,343,437,318/104,990,541.40
  6. Step 6: Final answer
    x = 92,723,136.90

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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.