Home / 119,624,330.44-179,811,055.90-78,945,182.76

Finding the Fourth Proportional to 119,624,330.44, 179,811,055.90 and 78,945,182.76

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Solution

The fourth proportional to 119,624,330.44, 179,811,055.90 and 78,945,182.76 is: 118,664,962.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,624,330.44 : 179,811,055.90 = 78,945,182.76 : x
  2. Step 2: Convert to fraction form
    119,624,330.44/179,811,055.90 = 78,945,182.76/x
  3. Step 3: Cross multiply
    119,624,330.44x = 179,811,055.90 × 78,945,182.76
  4. Step 4: Simplify right side
    119,624,330.44x = 14,195,216,670,294,078
  5. Step 5: Solve for x
    x = 14,195,216,670,294,078/119,624,330.44
  6. Step 6: Final answer
    x = 118,664,962.37

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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.