Home / 231,488,767.51-347,159,973.57-76,016,945.45

Finding the Fourth Proportional to 231,488,767.51, 347,159,973.57 and 76,016,945.45

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Solution

The fourth proportional to 231,488,767.51, 347,159,973.57 and 76,016,945.45 is: 114,001,387.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,488,767.51 : 347,159,973.57 = 76,016,945.45 : x
  2. Step 2: Convert to fraction form
    231,488,767.51/347,159,973.57 = 76,016,945.45/x
  3. Step 3: Cross multiply
    231,488,767.51x = 347,159,973.57 × 76,016,945.45
  4. Step 4: Simplify right side
    231,488,767.51x = 26,390,040,773,551,860
  5. Step 5: Solve for x
    x = 26,390,040,773,551,860/231,488,767.51
  6. Step 6: Final answer
    x = 114,001,387.87

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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.