Home / 140,550,761.20-210,826,141.80-83,013,415.60

Finding the Fourth Proportional to 140,550,761.20, 210,826,141.80 and 83,013,415.60

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Solution

The fourth proportional to 140,550,761.20, 210,826,141.80 and 83,013,415.60 is: 124,520,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,550,761.20 : 210,826,141.80 = 83,013,415.60 : x
  2. Step 2: Convert to fraction form
    140,550,761.20/210,826,141.80 = 83,013,415.60/x
  3. Step 3: Cross multiply
    140,550,761.20x = 210,826,141.80 × 83,013,415.60
  4. Step 4: Simplify right side
    140,550,761.20x = 17,501,398,128,587,932
  5. Step 5: Solve for x
    x = 17,501,398,128,587,932/140,550,761.20
  6. Step 6: Final answer
    x = 124,520,123.40

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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.