Home / 117,871,260.40-176,806,890.60-89,173,446.40

Finding the Fourth Proportional to 117,871,260.40, 176,806,890.60 and 89,173,446.40

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Solution

The fourth proportional to 117,871,260.40, 176,806,890.60 and 89,173,446.40 is: 133,760,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,871,260.40 : 176,806,890.60 = 89,173,446.40 : x
  2. Step 2: Convert to fraction form
    117,871,260.40/176,806,890.60 = 89,173,446.40/x
  3. Step 3: Cross multiply
    117,871,260.40x = 176,806,890.60 × 89,173,446.40
  4. Step 4: Simplify right side
    117,871,260.40x = 15,766,479,782,069,764
  5. Step 5: Solve for x
    x = 15,766,479,782,069,764/117,871,260.40
  6. Step 6: Final answer
    x = 133,760,169.60

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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.