Home / 45,438,128.88-68,144,779.12-16,286,534.40

Finding the Fourth Proportional to 45,438,128.88, 68,144,779.12 and 16,286,534.40

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Solution

The fourth proportional to 45,438,128.88, 68,144,779.12 and 16,286,534.40 is: 24,425,351.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,438,128.88 : 68,144,779.12 = 16,286,534.40 : x
  2. Step 2: Convert to fraction form
    45,438,128.88/68,144,779.12 = 16,286,534.40/x
  3. Step 3: Cross multiply
    45,438,128.88x = 68,144,779.12 × 16,286,534.40
  4. Step 4: Simplify right side
    45,438,128.88x = 1,109,842,289,318,281.88
  5. Step 5: Solve for x
    x = 1,109,842,289,318,281.88/45,438,128.88
  6. Step 6: Final answer
    x = 24,425,351.94

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1.5x scale

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.