Home / 127,965,176.12-176,596,949.84-75,034,527.32

Finding the Fourth Proportional to 127,965,176.12, 176,596,949.84 and 75,034,527.32

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Solution

The fourth proportional to 127,965,176.12, 176,596,949.84 and 75,034,527.32 is: 103,550,583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,965,176.12 : 176,596,949.84 = 75,034,527.32 : x
  2. Step 2: Convert to fraction form
    127,965,176.12/176,596,949.84 = 75,034,527.32/x
  3. Step 3: Cross multiply
    127,965,176.12x = 176,596,949.84 × 75,034,527.32
  4. Step 4: Simplify right side
    127,965,176.12x = 13,250,868,656,139,992
  5. Step 5: Solve for x
    x = 13,250,868,656,139,992/127,965,176.12
  6. Step 6: Final answer
    x = 103,550,583.51

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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.