Home / 127,730,628.50-176,268,337.73-68,993,293.37

Finding the Fourth Proportional to 127,730,628.50, 176,268,337.73 and 68,993,293.37

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Solution

The fourth proportional to 127,730,628.50, 176,268,337.73 and 68,993,293.37 is: 95,210,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,730,628.50 : 176,268,337.73 = 68,993,293.37 : x
  2. Step 2: Convert to fraction form
    127,730,628.50/176,268,337.73 = 68,993,293.37/x
  3. Step 3: Cross multiply
    127,730,628.50x = 176,268,337.73 × 68,993,293.37
  4. Step 4: Simplify right side
    127,730,628.50x = 12,161,333,135,621,820
  5. Step 5: Solve for x
    x = 12,161,333,135,621,820/127,730,628.50
  6. Step 6: Final answer
    x = 95,210,782.87

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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.