Home / 66,305,207.70-99,457,811.55-55,543,527.45

Finding the Fourth Proportional to 66,305,207.70, 99,457,811.55 and 55,543,527.45

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Solution

The fourth proportional to 66,305,207.70, 99,457,811.55 and 55,543,527.45 is: 83,315,291.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,305,207.70 : 99,457,811.55 = 55,543,527.45 : x
  2. Step 2: Convert to fraction form
    66,305,207.70/99,457,811.55 = 55,543,527.45/x
  3. Step 3: Cross multiply
    66,305,207.70x = 99,457,811.55 × 55,543,527.45
  4. Step 4: Simplify right side
    66,305,207.70x = 5,524,237,685,944,352
  5. Step 5: Solve for x
    x = 5,524,237,685,944,352/66,305,207.70
  6. Step 6: Final answer
    x = 83,315,291.18

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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.