Home / 83,106,615.84-114,685,127.88-45,428,105.04

Finding the Fourth Proportional to 83,106,615.84, 114,685,127.88 and 45,428,105.04

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Solution

The fourth proportional to 83,106,615.84, 114,685,127.88 and 45,428,105.04 is: 62,689,690.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,106,615.84 : 114,685,127.88 = 45,428,105.04 : x
  2. Step 2: Convert to fraction form
    83,106,615.84/114,685,127.88 = 45,428,105.04/x
  3. Step 3: Cross multiply
    83,106,615.84x = 114,685,127.88 × 45,428,105.04
  4. Step 4: Simplify right side
    83,106,615.84x = 5,209,928,035,858,472
  5. Step 5: Solve for x
    x = 5,209,928,035,858,472/83,106,615.84
  6. Step 6: Final answer
    x = 62,689,690.62

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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.