Home / 96,774,469.80-145,161,704.70-42,921,781.80

Finding the Fourth Proportional to 96,774,469.80, 145,161,704.70 and 42,921,781.80

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Solution

The fourth proportional to 96,774,469.80, 145,161,704.70 and 42,921,781.80 is: 64,382,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,774,469.80 : 145,161,704.70 = 42,921,781.80 : x
  2. Step 2: Convert to fraction form
    96,774,469.80/145,161,704.70 = 42,921,781.80/x
  3. Step 3: Cross multiply
    96,774,469.80x = 145,161,704.70 × 42,921,781.80
  4. Step 4: Simplify right side
    96,774,469.80x = 6,230,599,014,849,434
  5. Step 5: Solve for x
    x = 6,230,599,014,849,434/96,774,469.80
  6. Step 6: Final answer
    x = 64,382,672.70

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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.