Home / 49,411,680-68,148,358.79-43,438,314.85

Finding the Fourth Proportional to 49,411,680, 68,148,358.79 and 43,438,314.85

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Solution

The fourth proportional to 49,411,680, 68,148,358.79 and 43,438,314.85 is: 59,909,921.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,411,680 : 68,148,358.79 = 43,438,314.85 : x
  2. Step 2: Convert to fraction form
    49,411,680/68,148,358.79 = 43,438,314.85/x
  3. Step 3: Cross multiply
    49,411,680x = 68,148,358.79 × 43,438,314.85
  4. Step 4: Simplify right side
    49,411,680x = 2,960,249,865,630,785.50
  5. Step 5: Solve for x
    x = 2,960,249,865,630,785.50/49,411,680
  6. Step 6: Final answer
    x = 59,909,921.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.