Home / 76,727,056.80-114,901,628.40-36,290,301.60

Finding the Fourth Proportional to 76,727,056.80, 114,901,628.40 and 36,290,301.60

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Solution

The fourth proportional to 76,727,056.80, 114,901,628.40 and 36,290,301.60 is: 54,346,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,727,056.80 : 114,901,628.40 = 36,290,301.60 : x
  2. Step 2: Convert to fraction form
    76,727,056.80/114,901,628.40 = 36,290,301.60/x
  3. Step 3: Cross multiply
    76,727,056.80x = 114,901,628.40 × 36,290,301.60
  4. Step 4: Simplify right side
    76,727,056.80x = 4,169,814,748,967,126
  5. Step 5: Solve for x
    x = 4,169,814,748,967,126/76,727,056.80
  6. Step 6: Final answer
    x = 54,346,079.76

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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.