Home / 138,276,742.80-207,415,114.20-138,276,742.80

Finding the Fourth Proportional to 138,276,742.80, 207,415,114.20 and 138,276,742.80

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Solution

The fourth proportional to 138,276,742.80, 207,415,114.20 and 138,276,742.80 is: 207,415,114.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,276,742.80 : 207,415,114.20 = 138,276,742.80 : x
  2. Step 2: Convert to fraction form
    138,276,742.80/207,415,114.20 = 138,276,742.80/x
  3. Step 3: Cross multiply
    138,276,742.80x = 207,415,114.20 × 138,276,742.80
  4. Step 4: Simplify right side
    138,276,742.80x = 28,680,686,399,066,028
  5. Step 5: Solve for x
    x = 28,680,686,399,066,028/138,276,742.80
  6. Step 6: Final answer
    x = 207,415,114.20

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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.