Home / 51,065,783.40-76,598,675.10-40,988,087.40

Finding the Fourth Proportional to 51,065,783.40, 76,598,675.10 and 40,988,087.40

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Solution

The fourth proportional to 51,065,783.40, 76,598,675.10 and 40,988,087.40 is: 61,482,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,065,783.40 : 76,598,675.10 = 40,988,087.40 : x
  2. Step 2: Convert to fraction form
    51,065,783.40/76,598,675.10 = 40,988,087.40/x
  3. Step 3: Cross multiply
    51,065,783.40x = 76,598,675.10 × 40,988,087.40
  4. Step 4: Simplify right side
    51,065,783.40x = 3,139,633,189,723,003.50
  5. Step 5: Solve for x
    x = 3,139,633,189,723,003.50/51,065,783.40
  6. Step 6: Final answer
    x = 61,482,131.10

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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.