Home / 72,584,417.40-108,876,626.10-27,136,807.80

Finding the Fourth Proportional to 72,584,417.40, 108,876,626.10 and 27,136,807.80

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Solution

The fourth proportional to 72,584,417.40, 108,876,626.10 and 27,136,807.80 is: 40,705,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,584,417.40 : 108,876,626.10 = 27,136,807.80 : x
  2. Step 2: Convert to fraction form
    72,584,417.40/108,876,626.10 = 27,136,807.80/x
  3. Step 3: Cross multiply
    72,584,417.40x = 108,876,626.10 × 27,136,807.80
  4. Step 4: Simplify right side
    72,584,417.40x = 2,954,564,076,388,163.50
  5. Step 5: Solve for x
    x = 2,954,564,076,388,163.50/72,584,417.40
  6. Step 6: Final answer
    x = 40,705,211.70

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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.