Home / 461,375,138.35-692,064,503.01-111,620,645.07

Finding the Fourth Proportional to 461,375,138.35, 692,064,503.01 and 111,620,645.07

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Solution

The fourth proportional to 461,375,138.35, 692,064,503.01 and 111,620,645.07 is: 167,431,401.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,375,138.35 : 692,064,503.01 = 111,620,645.07 : x
  2. Step 2: Convert to fraction form
    461,375,138.35/692,064,503.01 = 111,620,645.07/x
  3. Step 3: Cross multiply
    461,375,138.35x = 692,064,503.01 × 111,620,645.07
  4. Step 4: Simplify right side
    461,375,138.35x = 77,248,686,252,006,736
  5. Step 5: Solve for x
    x = 77,248,686,252,006,736/461,375,138.35
  6. Step 6: Final answer
    x = 167,431,401.98

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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.