Home / 132,859,101.90-199,288,652.85-81,574,826.70

Finding the Fourth Proportional to 132,859,101.90, 199,288,652.85 and 81,574,826.70

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Solution

The fourth proportional to 132,859,101.90, 199,288,652.85 and 81,574,826.70 is: 122,362,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,859,101.90 : 199,288,652.85 = 81,574,826.70 : x
  2. Step 2: Convert to fraction form
    132,859,101.90/199,288,652.85 = 81,574,826.70/x
  3. Step 3: Cross multiply
    132,859,101.90x = 199,288,652.85 × 81,574,826.70
  4. Step 4: Simplify right side
    132,859,101.90x = 16,256,937,319,515,212
  5. Step 5: Solve for x
    x = 16,256,937,319,515,212/132,859,101.90
  6. Step 6: Final answer
    x = 122,362,240.05

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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.