Home / 86,991,084.18-119,936,256.05-71,252,127.27

Finding the Fourth Proportional to 86,991,084.18, 119,936,256.05 and 71,252,127.27

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Solution

The fourth proportional to 86,991,084.18, 119,936,256.05 and 71,252,127.27 is: 98,236,657.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,991,084.18 : 119,936,256.05 = 71,252,127.27 : x
  2. Step 2: Convert to fraction form
    86,991,084.18/119,936,256.05 = 71,252,127.27/x
  3. Step 3: Cross multiply
    86,991,084.18x = 119,936,256.05 × 71,252,127.27
  4. Step 4: Simplify right side
    86,991,084.18x = 8,545,713,380,540,037
  5. Step 5: Solve for x
    x = 8,545,713,380,540,037/86,991,084.18
  6. Step 6: Final answer
    x = 98,236,657.94

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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.