Home / 108,917,218.50-163,407,736.80-35,139,502.50

Finding the Fourth Proportional to 108,917,218.50, 163,407,736.80 and 35,139,502.50

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Solution

The fourth proportional to 108,917,218.50, 163,407,736.80 and 35,139,502.50 is: 52,719,548.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,917,218.50 : 163,407,736.80 = 35,139,502.50 : x
  2. Step 2: Convert to fraction form
    108,917,218.50/163,407,736.80 = 35,139,502.50/x
  3. Step 3: Cross multiply
    108,917,218.50x = 163,407,736.80 × 35,139,502.50
  4. Step 4: Simplify right side
    108,917,218.50x = 5,742,066,575,802,942
  5. Step 5: Solve for x
    x = 5,742,066,575,802,942/108,917,218.50
  6. Step 6: Final answer
    x = 52,719,548.43

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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.