Home / 132,166,008.72-182,378,386.01-76,415,009.58

Finding the Fourth Proportional to 132,166,008.72, 182,378,386.01 and 76,415,009.58

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Solution

The fourth proportional to 132,166,008.72, 182,378,386.01 and 76,415,009.58 is: 105,446,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,166,008.72 : 182,378,386.01 = 76,415,009.58 : x
  2. Step 2: Convert to fraction form
    132,166,008.72/182,378,386.01 = 76,415,009.58/x
  3. Step 3: Cross multiply
    132,166,008.72x = 182,378,386.01 × 76,415,009.58
  4. Step 4: Simplify right side
    132,166,008.72x = 13,936,446,114,330,124
  5. Step 5: Solve for x
    x = 13,936,446,114,330,124/132,166,008.72
  6. Step 6: Final answer
    x = 105,446,523.27

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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.