Home / 83,457,850.95-125,098,421.63-28,072,960.47

Finding the Fourth Proportional to 83,457,850.95, 125,098,421.63 and 28,072,960.47

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Solution

The fourth proportional to 83,457,850.95, 125,098,421.63 and 28,072,960.47 is: 42,079,720.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,457,850.95 : 125,098,421.63 = 28,072,960.47 : x
  2. Step 2: Convert to fraction form
    83,457,850.95/125,098,421.63 = 28,072,960.47/x
  3. Step 3: Cross multiply
    83,457,850.95x = 125,098,421.63 × 28,072,960.47
  4. Step 4: Simplify right side
    83,457,850.95x = 3,511,883,045,138,018
  5. Step 5: Solve for x
    x = 3,511,883,045,138,018/83,457,850.95
  6. Step 6: Final answer
    x = 42,079,720.54

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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.