Home / 51,124,830.40-76,687,245.60-39,703,441.60

Finding the Fourth Proportional to 51,124,830.40, 76,687,245.60 and 39,703,441.60

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Solution

The fourth proportional to 51,124,830.40, 76,687,245.60 and 39,703,441.60 is: 59,555,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,124,830.40 : 76,687,245.60 = 39,703,441.60 : x
  2. Step 2: Convert to fraction form
    51,124,830.40/76,687,245.60 = 39,703,441.60/x
  3. Step 3: Cross multiply
    51,124,830.40x = 76,687,245.60 × 39,703,441.60
  4. Step 4: Simplify right side
    51,124,830.40x = 3,044,747,577,144,457
  5. Step 5: Solve for x
    x = 3,044,747,577,144,457/51,124,830.40
  6. Step 6: Final answer
    x = 59,555,162.40

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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.