Home / 45,528,376.20-68,292,564.30-31,896,914.55

Finding the Fourth Proportional to 45,528,376.20, 68,292,564.30 and 31,896,914.55

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Solution

The fourth proportional to 45,528,376.20, 68,292,564.30 and 31,896,914.55 is: 47,845,371.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,528,376.20 : 68,292,564.30 = 31,896,914.55 : x
  2. Step 2: Convert to fraction form
    45,528,376.20/68,292,564.30 = 31,896,914.55/x
  3. Step 3: Cross multiply
    45,528,376.20x = 68,292,564.30 × 31,896,914.55
  4. Step 4: Simplify right side
    45,528,376.20x = 2,178,322,087,877,480.50
  5. Step 5: Solve for x
    x = 2,178,322,087,877,480.50/45,528,376.20
  6. Step 6: Final answer
    x = 47,845,371.83

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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.