Home / 86,314,222.59-129,489,996.29-45,918,835.71

Finding the Fourth Proportional to 86,314,222.59, 129,489,996.29 and 45,918,835.71

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Solution

The fourth proportional to 86,314,222.59, 129,489,996.29 and 45,918,835.71 is: 68,888,181.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,314,222.59 : 129,489,996.29 = 45,918,835.71 : x
  2. Step 2: Convert to fraction form
    86,314,222.59/129,489,996.29 = 45,918,835.71/x
  3. Step 3: Cross multiply
    86,314,222.59x = 129,489,996.29 × 45,918,835.71
  4. Step 4: Simplify right side
    86,314,222.59x = 5,946,029,865,499,425
  5. Step 5: Solve for x
    x = 5,946,029,865,499,425/86,314,222.59
  6. Step 6: Final answer
    x = 68,888,181.89

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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.