Home / 86,613,637.76-119,486,754.06-76,700,622.84

Finding the Fourth Proportional to 86,613,637.76, 119,486,754.06 and 76,700,622.84

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Solution

The fourth proportional to 86,613,637.76, 119,486,754.06 and 76,700,622.84 is: 105,811,379.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,613,637.76 : 119,486,754.06 = 76,700,622.84 : x
  2. Step 2: Convert to fraction form
    86,613,637.76/119,486,754.06 = 76,700,622.84/x
  3. Step 3: Cross multiply
    86,613,637.76x = 119,486,754.06 × 76,700,622.84
  4. Step 4: Simplify right side
    86,613,637.76x = 9,164,708,457,531,900
  5. Step 5: Solve for x
    x = 9,164,708,457,531,900/86,613,637.76
  6. Step 6: Final answer
    x = 105,811,379.07

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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.