Home / 138,448,783.44-207,510,086.52-56,516,492.88

Finding the Fourth Proportional to 138,448,783.44, 207,510,086.52 and 56,516,492.88

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Solution

The fourth proportional to 138,448,783.44, 207,510,086.52 and 56,516,492.88 is: 84,708,164.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,448,783.44 : 207,510,086.52 = 56,516,492.88 : x
  2. Step 2: Convert to fraction form
    138,448,783.44/207,510,086.52 = 56,516,492.88/x
  3. Step 3: Cross multiply
    138,448,783.44x = 207,510,086.52 × 56,516,492.88
  4. Step 4: Simplify right side
    138,448,783.44x = 11,727,742,327,335,766
  5. Step 5: Solve for x
    x = 11,727,742,327,335,766/138,448,783.44
  6. Step 6: Final answer
    x = 84,708,164.54

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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.