Home / 137,905,206.28-190,310,651.22-76,027,759.18

Finding the Fourth Proportional to 137,905,206.28, 190,310,651.22 and 76,027,759.18

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Solution

The fourth proportional to 137,905,206.28, 190,310,651.22 and 76,027,759.18 is: 104,919,116.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,905,206.28 : 190,310,651.22 = 76,027,759.18 : x
  2. Step 2: Convert to fraction form
    137,905,206.28/190,310,651.22 = 76,027,759.18/x
  3. Step 3: Cross multiply
    137,905,206.28x = 190,310,651.22 × 76,027,759.18
  4. Step 4: Simplify right side
    137,905,206.28x = 14,468,892,360,343,134
  5. Step 5: Solve for x
    x = 14,468,892,360,343,134/137,905,206.28
  6. Step 6: Final answer
    x = 104,919,116.19

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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.