Home / 51,523,999.16-77,324,312.43-20,818,845.50

Finding the Fourth Proportional to 51,523,999.16, 77,324,312.43 and 20,818,845.50

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Solution

The fourth proportional to 51,523,999.16, 77,324,312.43 and 20,818,845.50 is: 31,243,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,523,999.16 : 77,324,312.43 = 20,818,845.50 : x
  2. Step 2: Convert to fraction form
    51,523,999.16/77,324,312.43 = 20,818,845.50/x
  3. Step 3: Cross multiply
    51,523,999.16x = 77,324,312.43 × 20,818,845.50
  4. Step 4: Simplify right side
    51,523,999.16x = 1,609,802,913,487,278.25
  5. Step 5: Solve for x
    x = 1,609,802,913,487,278.25/51,523,999.16
  6. Step 6: Final answer
    x = 31,243,749.32

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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.