Home / 340,520,113.62-510,780,177.18-81,735,333.84

Finding the Fourth Proportional to 340,520,113.62, 510,780,177.18 and 81,735,333.84

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Solution

The fourth proportional to 340,520,113.62, 510,780,177.18 and 81,735,333.84 is: 122,603,002.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,520,113.62 : 510,780,177.18 = 81,735,333.84 : x
  2. Step 2: Convert to fraction form
    340,520,113.62/510,780,177.18 = 81,735,333.84/x
  3. Step 3: Cross multiply
    340,520,113.62x = 510,780,177.18 × 81,735,333.84
  4. Step 4: Simplify right side
    340,520,113.62x = 41,748,788,300,661,656
  5. Step 5: Solve for x
    x = 41,748,788,300,661,656/340,520,113.62
  6. Step 6: Final answer
    x = 122,603,002.38

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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.