Home / 86,613,640.76-119,486,758.20-76,700,625.84

Finding the Fourth Proportional to 86,613,640.76, 119,486,758.20 and 76,700,625.84

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Solution

The fourth proportional to 86,613,640.76, 119,486,758.20 and 76,700,625.84 is: 105,811,383.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,613,640.76 : 119,486,758.20 = 76,700,625.84 : x
  2. Step 2: Convert to fraction form
    86,613,640.76/119,486,758.20 = 76,700,625.84/x
  3. Step 3: Cross multiply
    86,613,640.76x = 119,486,758.20 × 76,700,625.84
  4. Step 4: Simplify right side
    86,613,640.76x = 9,164,709,133,532,752
  5. Step 5: Solve for x
    x = 9,164,709,133,532,752/86,613,640.76
  6. Step 6: Final answer
    x = 105,811,383.21

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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.