Home / 129,029,391.20-193,544,086.80-57,365,775.20

Finding the Fourth Proportional to 129,029,391.20, 193,544,086.80 and 57,365,775.20

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Solution

The fourth proportional to 129,029,391.20, 193,544,086.80 and 57,365,775.20 is: 86,048,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,029,391.20 : 193,544,086.80 = 57,365,775.20 : x
  2. Step 2: Convert to fraction form
    129,029,391.20/193,544,086.80 = 57,365,775.20/x
  3. Step 3: Cross multiply
    129,029,391.20x = 193,544,086.80 × 57,365,775.20
  4. Step 4: Simplify right side
    129,029,391.20x = 11,102,806,574,658,088
  5. Step 5: Solve for x
    x = 11,102,806,574,658,088/129,029,391.20
  6. Step 6: Final answer
    x = 86,048,662.80

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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.