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Finding the Fourth Proportional to 49,923,216.40, 70,043,668.40 and 49,923,216.40

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Solution

The fourth proportional to 49,923,216.40, 70,043,668.40 and 49,923,216.40 is: 70,043,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,923,216.40 : 70,043,668.40 = 49,923,216.40 : x
  2. Step 2: Convert to fraction form
    49,923,216.40/70,043,668.40 = 49,923,216.40/x
  3. Step 3: Cross multiply
    49,923,216.40x = 70,043,668.40 × 49,923,216.40
  4. Step 4: Simplify right side
    49,923,216.40x = 3,496,805,214,983,042
  5. Step 5: Solve for x
    x = 3,496,805,214,983,042/49,923,216.40
  6. Step 6: Final answer
    x = 70,043,668.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.