Home / 260,094,088.24-389,868,028.40-87,510,985.76

Finding the Fourth Proportional to 260,094,088.24, 389,868,028.40 and 87,510,985.76

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Solution

The fourth proportional to 260,094,088.24, 389,868,028.40 and 87,510,985.76 is: 131,174,590.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,094,088.24 : 389,868,028.40 = 87,510,985.76 : x
  2. Step 2: Convert to fraction form
    260,094,088.24/389,868,028.40 = 87,510,985.76/x
  3. Step 3: Cross multiply
    260,094,088.24x = 389,868,028.40 × 87,510,985.76
  4. Step 4: Simplify right side
    260,094,088.24x = 34,117,735,481,591,676
  5. Step 5: Solve for x
    x = 34,117,735,481,591,676/260,094,088.24
  6. Step 6: Final answer
    x = 131,174,590.37

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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.