Home / 209,817,794.83-289,549,457.05-114,450,381.85

Finding the Fourth Proportional to 209,817,794.83, 289,549,457.05 and 114,450,381.85

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Solution

The fourth proportional to 209,817,794.83, 289,549,457.05 and 114,450,381.85 is: 157,942,017.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,817,794.83 : 289,549,457.05 = 114,450,381.85 : x
  2. Step 2: Convert to fraction form
    209,817,794.83/289,549,457.05 = 114,450,381.85/x
  3. Step 3: Cross multiply
    209,817,794.83x = 289,549,457.05 × 114,450,381.85
  4. Step 4: Simplify right side
    209,817,794.83x = 33,139,045,923,832,676
  5. Step 5: Solve for x
    x = 33,139,045,923,832,676/209,817,794.83
  6. Step 6: Final answer
    x = 157,942,017.98

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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.