Home / 109,555,421.80-164,333,132.70-64,093,815.40

Finding the Fourth Proportional to 109,555,421.80, 164,333,132.70 and 64,093,815.40

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Solution

The fourth proportional to 109,555,421.80, 164,333,132.70 and 64,093,815.40 is: 96,140,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,555,421.80 : 164,333,132.70 = 64,093,815.40 : x
  2. Step 2: Convert to fraction form
    109,555,421.80/164,333,132.70 = 64,093,815.40/x
  3. Step 3: Cross multiply
    109,555,421.80x = 164,333,132.70 × 64,093,815.40
  4. Step 4: Simplify right side
    109,555,421.80x = 10,532,737,471,377,502
  5. Step 5: Solve for x
    x = 10,532,737,471,377,502/109,555,421.80
  6. Step 6: Final answer
    x = 96,140,723.10

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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.