Home / 143,618,238.96-215,457,623.28-46,566,378.72

Finding the Fourth Proportional to 143,618,238.96, 215,457,623.28 and 46,566,378.72

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Solution

The fourth proportional to 143,618,238.96, 215,457,623.28 and 46,566,378.72 is: 69,859,381.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,618,238.96 : 215,457,623.28 = 46,566,378.72 : x
  2. Step 2: Convert to fraction form
    143,618,238.96/215,457,623.28 = 46,566,378.72/x
  3. Step 3: Cross multiply
    143,618,238.96x = 215,457,623.28 × 46,566,378.72
  4. Step 4: Simplify right side
    143,618,238.96x = 10,033,081,283,767,568
  5. Step 5: Solve for x
    x = 10,033,081,283,767,568/143,618,238.96
  6. Step 6: Final answer
    x = 69,859,381.07

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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.