Home / 135,465,428.94-186,947,420.75-75,927,815.61

Finding the Fourth Proportional to 135,465,428.94, 186,947,420.75 and 75,927,815.61

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Solution

The fourth proportional to 135,465,428.94, 186,947,420.75 and 75,927,815.61 is: 104,783,260.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,465,428.94 : 186,947,420.75 = 75,927,815.61 : x
  2. Step 2: Convert to fraction form
    135,465,428.94/186,947,420.75 = 75,927,815.61/x
  3. Step 3: Cross multiply
    135,465,428.94x = 186,947,420.75 × 75,927,815.61
  4. Step 4: Simplify right side
    135,465,428.94x = 14,194,509,291,471,088
  5. Step 5: Solve for x
    x = 14,194,509,291,471,088/135,465,428.94
  6. Step 6: Final answer
    x = 104,783,260.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.