Home / 51,149,740.20-76,724,610.30-45,575,903.40

Finding the Fourth Proportional to 51,149,740.20, 76,724,610.30 and 45,575,903.40

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Solution

The fourth proportional to 51,149,740.20, 76,724,610.30 and 45,575,903.40 is: 68,363,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,149,740.20 : 76,724,610.30 = 45,575,903.40 : x
  2. Step 2: Convert to fraction form
    51,149,740.20/76,724,610.30 = 45,575,903.40/x
  3. Step 3: Cross multiply
    51,149,740.20x = 76,724,610.30 × 45,575,903.40
  4. Step 4: Simplify right side
    51,149,740.20x = 3,496,793,427,435,445
  5. Step 5: Solve for x
    x = 3,496,793,427,435,445/51,149,740.20
  6. Step 6: Final answer
    x = 68,363,855.10

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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.