Home / 64,152,139.80-96,250,241.70-18,720,600.60

Finding the Fourth Proportional to 64,152,139.80, 96,250,241.70 and 18,720,600.60

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Solution

The fourth proportional to 64,152,139.80, 96,250,241.70 and 18,720,600.60 is: 28,087,330.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152,139.80 : 96,250,241.70 = 18,720,600.60 : x
  2. Step 2: Convert to fraction form
    64,152,139.80/96,250,241.70 = 18,720,600.60/x
  3. Step 3: Cross multiply
    64,152,139.80x = 96,250,241.70 × 18,720,600.60
  4. Step 4: Simplify right side
    64,152,139.80x = 1,801,862,332,519,165.25
  5. Step 5: Solve for x
    x = 1,801,862,332,519,165.25/64,152,139.80
  6. Step 6: Final answer
    x = 28,087,330.18

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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.