Home / 137,905,322.28-190,310,811.60-76,027,875.18

Finding the Fourth Proportional to 137,905,322.28, 190,310,811.60 and 76,027,875.18

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Solution

The fourth proportional to 137,905,322.28, 190,310,811.60 and 76,027,875.18 is: 104,919,276.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,905,322.28 : 190,310,811.60 = 76,027,875.18 : x
  2. Step 2: Convert to fraction form
    137,905,322.28/190,310,811.60 = 76,027,875.18/x
  3. Step 3: Cross multiply
    137,905,322.28x = 190,310,811.60 × 76,027,875.18
  4. Step 4: Simplify right side
    137,905,322.28x = 14,468,926,629,729,296
  5. Step 5: Solve for x
    x = 14,468,926,629,729,296/137,905,322.28
  6. Step 6: Final answer
    x = 104,919,276.43

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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.