Home / 127,356,129.36-191,015,531.64-62,642,563.92

Finding the Fourth Proportional to 127,356,129.36, 191,015,531.64 and 62,642,563.92

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Solution

The fourth proportional to 127,356,129.36, 191,015,531.64 and 62,642,563.92 is: 93,954,666.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,356,129.36 : 191,015,531.64 = 62,642,563.92 : x
  2. Step 2: Convert to fraction form
    127,356,129.36/191,015,531.64 = 62,642,563.92/x
  3. Step 3: Cross multiply
    127,356,129.36x = 191,015,531.64 × 62,642,563.92
  4. Step 4: Simplify right side
    127,356,129.36x = 11,965,702,650,471,482
  5. Step 5: Solve for x
    x = 11,965,702,650,471,482/127,356,129.36
  6. Step 6: Final answer
    x = 93,954,666.42

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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.