Home / 102,046,087.04-140,823,559.68-55,636,378.88

Finding the Fourth Proportional to 102,046,087.04, 140,823,559.68 and 55,636,378.88

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Solution

The fourth proportional to 102,046,087.04, 140,823,559.68 and 55,636,378.88 is: 76,778,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,046,087.04 : 140,823,559.68 = 55,636,378.88 : x
  2. Step 2: Convert to fraction form
    102,046,087.04/140,823,559.68 = 55,636,378.88/x
  3. Step 3: Cross multiply
    102,046,087.04x = 140,823,559.68 × 55,636,378.88
  4. Step 4: Simplify right side
    102,046,087.04x = 7,834,912,921,586,772
  5. Step 5: Solve for x
    x = 7,834,912,921,586,772/102,046,087.04
  6. Step 6: Final answer
    x = 76,778,180.81

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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.