Home / 286,465,521.36-429,782,131.48-92,373,032.96

Finding the Fourth Proportional to 286,465,521.36, 429,782,131.48 and 92,373,032.96

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Solution

The fourth proportional to 286,465,521.36, 429,782,131.48 and 92,373,032.96 is: 138,586,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,465,521.36 : 429,782,131.48 = 92,373,032.96 : x
  2. Step 2: Convert to fraction form
    286,465,521.36/429,782,131.48 = 92,373,032.96/x
  3. Step 3: Cross multiply
    286,465,521.36x = 429,782,131.48 × 92,373,032.96
  4. Step 4: Simplify right side
    286,465,521.36x = 39,700,278,996,821,096
  5. Step 5: Solve for x
    x = 39,700,278,996,821,096/286,465,521.36
  6. Step 6: Final answer
    x = 138,586,587.34

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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.