Home / 85,524,337.34-128,286,503.52-39,452,575.22

Finding the Fourth Proportional to 85,524,337.34, 128,286,503.52 and 39,452,575.22

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Solution

The fourth proportional to 85,524,337.34, 128,286,503.52 and 39,452,575.22 is: 59,178,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,524,337.34 : 128,286,503.52 = 39,452,575.22 : x
  2. Step 2: Convert to fraction form
    85,524,337.34/128,286,503.52 = 39,452,575.22/x
  3. Step 3: Cross multiply
    85,524,337.34x = 128,286,503.52 × 39,452,575.22
  4. Step 4: Simplify right side
    85,524,337.34x = 5,061,232,929,833,594
  5. Step 5: Solve for x
    x = 5,061,232,929,833,594/85,524,337.34
  6. Step 6: Final answer
    x = 59,178,861.68

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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.