Home / 132,005,633.70-198,197,407.35-74,610,005.70

Finding the Fourth Proportional to 132,005,633.70, 198,197,407.35 and 74,610,005.70

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Solution

The fourth proportional to 132,005,633.70, 198,197,407.35 and 74,610,005.70 is: 112,021,807.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,005,633.70 : 198,197,407.35 = 74,610,005.70 : x
  2. Step 2: Convert to fraction form
    132,005,633.70/198,197,407.35 = 74,610,005.70/x
  3. Step 3: Cross multiply
    132,005,633.70x = 198,197,407.35 × 74,610,005.70
  4. Step 4: Simplify right side
    132,005,633.70x = 14,787,509,692,108,722
  5. Step 5: Solve for x
    x = 14,787,509,692,108,722/132,005,633.70
  6. Step 6: Final answer
    x = 112,021,807.54

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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.