Home / 143,618,239.96-215,457,624.78-46,566,379.72

Finding the Fourth Proportional to 143,618,239.96, 215,457,624.78 and 46,566,379.72

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Solution

The fourth proportional to 143,618,239.96, 215,457,624.78 and 46,566,379.72 is: 69,859,382.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,618,239.96 : 215,457,624.78 = 46,566,379.72 : x
  2. Step 2: Convert to fraction form
    143,618,239.96/215,457,624.78 = 46,566,379.72/x
  3. Step 3: Cross multiply
    143,618,239.96x = 215,457,624.78 × 46,566,379.72
  4. Step 4: Simplify right side
    143,618,239.96x = 10,033,081,569,074,762
  5. Step 5: Solve for x
    x = 10,033,081,569,074,762/143,618,239.96
  6. Step 6: Final answer
    x = 69,859,382.57

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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.