Home / 143,731,132.26-215,510,507.39-65,910,547.83

Finding the Fourth Proportional to 143,731,132.26, 215,510,507.39 and 65,910,547.83

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Solution

The fourth proportional to 143,731,132.26, 215,510,507.39 and 65,910,547.83 is: 98,826,297.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,731,132.26 : 215,510,507.39 = 65,910,547.83 : x
  2. Step 2: Convert to fraction form
    143,731,132.26/215,510,507.39 = 65,910,547.83/x
  3. Step 3: Cross multiply
    143,731,132.26x = 215,510,507.39 × 65,910,547.83
  4. Step 4: Simplify right side
    143,731,132.26x = 14,204,415,605,360,940
  5. Step 5: Solve for x
    x = 14,204,415,605,360,940/143,731,132.26
  6. Step 6: Final answer
    x = 98,826,297.28

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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.