Home / 140,703,884.44-194,171,378.96-77,984,031.71

Finding the Fourth Proportional to 140,703,884.44, 194,171,378.96 and 77,984,031.71

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Solution

The fourth proportional to 140,703,884.44, 194,171,378.96 and 77,984,031.71 is: 107,617,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,703,884.44 : 194,171,378.96 = 77,984,031.71 : x
  2. Step 2: Convert to fraction form
    140,703,884.44/194,171,378.96 = 77,984,031.71/x
  3. Step 3: Cross multiply
    140,703,884.44x = 194,171,378.96 × 77,984,031.71
  4. Step 4: Simplify right side
    140,703,884.44x = 15,142,266,973,991,066
  5. Step 5: Solve for x
    x = 15,142,266,973,991,066/140,703,884.44
  6. Step 6: Final answer
    x = 107,617,973.98

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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.