Home / 76,615,287.40-114,922,931.10-50,973,149.80

Finding the Fourth Proportional to 76,615,287.40, 114,922,931.10 and 50,973,149.80

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Solution

The fourth proportional to 76,615,287.40, 114,922,931.10 and 50,973,149.80 is: 76,459,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,615,287.40 : 114,922,931.10 = 50,973,149.80 : x
  2. Step 2: Convert to fraction form
    76,615,287.40/114,922,931.10 = 50,973,149.80/x
  3. Step 3: Cross multiply
    76,615,287.40x = 114,922,931.10 × 50,973,149.80
  4. Step 4: Simplify right side
    76,615,287.40x = 5,857,983,782,415,378
  5. Step 5: Solve for x
    x = 5,857,983,782,415,378/76,615,287.40
  6. Step 6: Final answer
    x = 76,459,724.70

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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.