Home / 124,578,563.40-186,811,857.90-47,876,099.40

Finding the Fourth Proportional to 124,578,563.40, 186,811,857.90 and 47,876,099.40

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Solution

The fourth proportional to 124,578,563.40, 186,811,857.90 and 47,876,099.40 is: 71,792,632.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,578,563.40 : 186,811,857.90 = 47,876,099.40 : x
  2. Step 2: Convert to fraction form
    124,578,563.40/186,811,857.90 = 47,876,099.40/x
  3. Step 3: Cross multiply
    124,578,563.40x = 186,811,857.90 × 47,876,099.40
  4. Step 4: Simplify right side
    124,578,563.40x = 8,943,823,077,919,075
  5. Step 5: Solve for x
    x = 8,943,823,077,919,075/124,578,563.40
  6. Step 6: Final answer
    x = 71,792,632.97

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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.