Home / 165,551,340.51-228,449,913.30-99,432,549.54

Finding the Fourth Proportional to 165,551,340.51, 228,449,913.30 and 99,432,549.54

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Solution

The fourth proportional to 165,551,340.51, 228,449,913.30 and 99,432,549.54 is: 137,210,349.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,551,340.51 : 228,449,913.30 = 99,432,549.54 : x
  2. Step 2: Convert to fraction form
    165,551,340.51/228,449,913.30 = 99,432,549.54/x
  3. Step 3: Cross multiply
    165,551,340.51x = 228,449,913.30 × 99,432,549.54
  4. Step 4: Simplify right side
    165,551,340.51x = 22,715,357,321,610,956
  5. Step 5: Solve for x
    x = 22,715,357,321,610,956/165,551,340.51
  6. Step 6: Final answer
    x = 137,210,349.68

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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.