Home / 93,311,999.20-139,967,998.80-53,001,215.20

Finding the Fourth Proportional to 93,311,999.20, 139,967,998.80 and 53,001,215.20

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Solution

The fourth proportional to 93,311,999.20, 139,967,998.80 and 53,001,215.20 is: 79,501,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,311,999.20 : 139,967,998.80 = 53,001,215.20 : x
  2. Step 2: Convert to fraction form
    93,311,999.20/139,967,998.80 = 53,001,215.20/x
  3. Step 3: Cross multiply
    93,311,999.20x = 139,967,998.80 × 53,001,215.20
  4. Step 4: Simplify right side
    93,311,999.20x = 7,418,474,025,512,143
  5. Step 5: Solve for x
    x = 7,418,474,025,512,143/93,311,999.20
  6. Step 6: Final answer
    x = 79,501,822.80

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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.