Home / 141,495,613.98-212,286,736.53-72,457,299.24

Finding the Fourth Proportional to 141,495,613.98, 212,286,736.53 and 72,457,299.24

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Solution

The fourth proportional to 141,495,613.98, 212,286,736.53 and 72,457,299.24 is: 108,708,129.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,495,613.98 : 212,286,736.53 = 72,457,299.24 : x
  2. Step 2: Convert to fraction form
    141,495,613.98/212,286,736.53 = 72,457,299.24/x
  3. Step 3: Cross multiply
    141,495,613.98x = 212,286,736.53 × 72,457,299.24
  4. Step 4: Simplify right side
    141,495,613.98x = 15,381,723,593,437,248
  5. Step 5: Solve for x
    x = 15,381,723,593,437,248/141,495,613.98
  6. Step 6: Final answer
    x = 108,708,129.96

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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.