Home / 79,880,913.39-119,824,789.10-31,369,263.94

Finding the Fourth Proportional to 79,880,913.39, 119,824,789.10 and 31,369,263.94

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Solution

The fourth proportional to 79,880,913.39, 119,824,789.10 and 31,369,263.94 is: 47,055,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,880,913.39 : 119,824,789.10 = 31,369,263.94 : x
  2. Step 2: Convert to fraction form
    79,880,913.39/119,824,789.10 = 31,369,263.94/x
  3. Step 3: Cross multiply
    79,880,913.39x = 119,824,789.10 × 31,369,263.94
  4. Step 4: Simplify right side
    79,880,913.39x = 3,758,815,435,832,735
  5. Step 5: Solve for x
    x = 3,758,815,435,832,735/79,880,913.39
  6. Step 6: Final answer
    x = 47,055,238.56

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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.