Home / 180,748,463.44-249,552,999.30-138,857,921.86

Finding the Fourth Proportional to 180,748,463.44, 249,552,999.30 and 138,857,921.86

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Solution

The fourth proportional to 180,748,463.44, 249,552,999.30 and 138,857,921.86 is: 191,716,212.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,748,463.44 : 249,552,999.30 = 138,857,921.86 : x
  2. Step 2: Convert to fraction form
    180,748,463.44/249,552,999.30 = 138,857,921.86/x
  3. Step 3: Cross multiply
    180,748,463.44x = 249,552,999.30 × 138,857,921.86
  4. Step 4: Simplify right side
    180,748,463.44x = 34,652,410,876,728,040
  5. Step 5: Solve for x
    x = 34,652,410,876,728,040/180,748,463.44
  6. Step 6: Final answer
    x = 191,716,212.78

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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.