Home / 318,425,666.94-477,620,533.29-141,111,740.70

Finding the Fourth Proportional to 318,425,666.94, 477,620,533.29 and 141,111,740.70

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Solution

The fourth proportional to 318,425,666.94, 477,620,533.29 and 141,111,740.70 is: 211,659,648.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,425,666.94 : 477,620,533.29 = 141,111,740.70 : x
  2. Step 2: Convert to fraction form
    318,425,666.94/477,620,533.29 = 141,111,740.70/x
  3. Step 3: Cross multiply
    318,425,666.94x = 477,620,533.29 × 141,111,740.70
  4. Step 4: Simplify right side
    318,425,666.94x = 67,397,864,846,614,192
  5. Step 5: Solve for x
    x = 67,397,864,846,614,192/318,425,666.94
  6. Step 6: Final answer
    x = 211,659,648.84

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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.