Home / 137,905,205.28-190,310,649.84-76,027,758.18

Finding the Fourth Proportional to 137,905,205.28, 190,310,649.84 and 76,027,758.18

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Solution

The fourth proportional to 137,905,205.28, 190,310,649.84 and 76,027,758.18 is: 104,919,114.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,905,205.28 : 190,310,649.84 = 76,027,758.18 : x
  2. Step 2: Convert to fraction form
    137,905,205.28/190,310,649.84 = 76,027,758.18/x
  3. Step 3: Cross multiply
    137,905,205.28x = 190,310,649.84 × 76,027,758.18
  4. Step 4: Simplify right side
    137,905,205.28x = 14,468,892,065,114,178
  5. Step 5: Solve for x
    x = 14,468,892,065,114,178/137,905,205.28
  6. Step 6: Final answer
    x = 104,919,114.81

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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.