Home / 92,899,738.71-128,209,801.46-51,091,164.54

Finding the Fourth Proportional to 92,899,738.71, 128,209,801.46 and 51,091,164.54

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Solution

The fourth proportional to 92,899,738.71, 128,209,801.46 and 51,091,164.54 is: 70,510,295.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,899,738.71 : 128,209,801.46 = 51,091,164.54 : x
  2. Step 2: Convert to fraction form
    92,899,738.71/128,209,801.46 = 51,091,164.54/x
  3. Step 3: Cross multiply
    92,899,738.71x = 128,209,801.46 × 51,091,164.54
  4. Step 4: Simplify right side
    92,899,738.71x = 6,550,388,061,778,136
  5. Step 5: Solve for x
    x = 6,550,388,061,778,136/92,899,738.71
  6. Step 6: Final answer
    x = 70,510,295.86

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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.