Home / 127,716,010.30-191,574,015.45-36,842,563.90

Finding the Fourth Proportional to 127,716,010.30, 191,574,015.45 and 36,842,563.90

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Solution

The fourth proportional to 127,716,010.30, 191,574,015.45 and 36,842,563.90 is: 55,263,845.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,716,010.30 : 191,574,015.45 = 36,842,563.90 : x
  2. Step 2: Convert to fraction form
    127,716,010.30/191,574,015.45 = 36,842,563.90/x
  3. Step 3: Cross multiply
    127,716,010.30x = 191,574,015.45 × 36,842,563.90
  4. Step 4: Simplify right side
    127,716,010.30x = 7,058,077,905,796,212
  5. Step 5: Solve for x
    x = 7,058,077,905,796,212/127,716,010.30
  6. Step 6: Final answer
    x = 55,263,845.85

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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.