Home / 262,905,721.64-362,778,284.81-151,432,816.46

Finding the Fourth Proportional to 262,905,721.64, 362,778,284.81 and 151,432,816.46

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Solution

The fourth proportional to 262,905,721.64, 362,778,284.81 and 151,432,816.46 is: 208,959,078.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,905,721.64 : 362,778,284.81 = 151,432,816.46 : x
  2. Step 2: Convert to fraction form
    262,905,721.64/362,778,284.81 = 151,432,816.46/x
  3. Step 3: Cross multiply
    262,905,721.64x = 362,778,284.81 × 151,432,816.46
  4. Step 4: Simplify right side
    262,905,721.64x = 54,936,537,416,735,288
  5. Step 5: Solve for x
    x = 54,936,537,416,735,288/262,905,721.64
  6. Step 6: Final answer
    x = 208,959,078.85

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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.