Home / 76,296,550.32-105,292,008.24-43,707,800.88

Finding the Fourth Proportional to 76,296,550.32, 105,292,008.24 and 43,707,800.88

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Solution

The fourth proportional to 76,296,550.32, 105,292,008.24 and 43,707,800.88 is: 60,318,351.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,296,550.32 : 105,292,008.24 = 43,707,800.88 : x
  2. Step 2: Convert to fraction form
    76,296,550.32/105,292,008.24 = 43,707,800.88/x
  3. Step 3: Cross multiply
    76,296,550.32x = 105,292,008.24 × 43,707,800.88
  4. Step 4: Simplify right side
    76,296,550.32x = 4,602,082,130,409,239
  5. Step 5: Solve for x
    x = 4,602,082,130,409,239/76,296,550.32
  6. Step 6: Final answer
    x = 60,318,351.37

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1.5x scale

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.