Home / 339,980,402.55-510,096,575.03-135,655,116.15

Finding the Fourth Proportional to 339,980,402.55, 510,096,575.03 and 135,655,116.15

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Solution

The fourth proportional to 339,980,402.55, 510,096,575.03 and 135,655,116.15 is: 203,532,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,980,402.55 : 510,096,575.03 = 135,655,116.15 : x
  2. Step 2: Convert to fraction form
    339,980,402.55/510,096,575.03 = 135,655,116.15/x
  3. Step 3: Cross multiply
    339,980,402.55x = 510,096,575.03 × 135,655,116.15
  4. Step 4: Simplify right side
    339,980,402.55x = 69,197,210,132,733,560
  5. Step 5: Solve for x
    x = 69,197,210,132,733,560/339,980,402.55
  6. Step 6: Final answer
    x = 203,532,937.82

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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.