Home / 119,617,290.40-179,509,916.40-51,508,861.60

Finding the Fourth Proportional to 119,617,290.40, 179,509,916.40 and 51,508,861.60

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Solution

The fourth proportional to 119,617,290.40, 179,509,916.40 and 51,508,861.60 is: 77,299,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,617,290.40 : 179,509,916.40 = 51,508,861.60 : x
  2. Step 2: Convert to fraction form
    119,617,290.40/179,509,916.40 = 51,508,861.60/x
  3. Step 3: Cross multiply
    119,617,290.40x = 179,509,916.40 × 51,508,861.60
  4. Step 4: Simplify right side
    119,617,290.40x = 9,246,351,439,675,170
  5. Step 5: Solve for x
    x = 9,246,351,439,675,170/119,617,290.40
  6. Step 6: Final answer
    x = 77,299,455.70

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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.