Home / 157,464,011.10-236,196,016.65-71,205,231.90

Finding the Fourth Proportional to 157,464,011.10, 236,196,016.65 and 71,205,231.90

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Solution

The fourth proportional to 157,464,011.10, 236,196,016.65 and 71,205,231.90 is: 106,807,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,011.10 : 236,196,016.65 = 71,205,231.90 : x
  2. Step 2: Convert to fraction form
    157,464,011.10/236,196,016.65 = 71,205,231.90/x
  3. Step 3: Cross multiply
    157,464,011.10x = 236,196,016.65 × 71,205,231.90
  4. Step 4: Simplify right side
    157,464,011.10x = 16,818,392,139,419,512
  5. Step 5: Solve for x
    x = 16,818,392,139,419,512/157,464,011.10
  6. Step 6: Final answer
    x = 106,807,847.85

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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.