Home / 125,886,205.89-188,620,558.42-76,552,829.65

Finding the Fourth Proportional to 125,886,205.89, 188,620,558.42 and 76,552,829.65

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Solution

The fourth proportional to 125,886,205.89, 188,620,558.42 and 76,552,829.65 is: 114,702,300.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,886,205.89 : 188,620,558.42 = 76,552,829.65 : x
  2. Step 2: Convert to fraction form
    125,886,205.89/188,620,558.42 = 76,552,829.65/x
  3. Step 3: Cross multiply
    125,886,205.89x = 188,620,558.42 × 76,552,829.65
  4. Step 4: Simplify right side
    125,886,205.89x = 14,439,437,477,214,134
  5. Step 5: Solve for x
    x = 14,439,437,477,214,134/125,886,205.89
  6. Step 6: Final answer
    x = 114,702,300.98

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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.