Home / 56,335,673.69-77,743,686.23-31,218,202.56

Finding the Fourth Proportional to 56,335,673.69, 77,743,686.23 and 31,218,202.56

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Solution

The fourth proportional to 56,335,673.69, 77,743,686.23 and 31,218,202.56 is: 43,081,372.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,335,673.69 : 77,743,686.23 = 31,218,202.56 : x
  2. Step 2: Convert to fraction form
    56,335,673.69/77,743,686.23 = 31,218,202.56/x
  3. Step 3: Cross multiply
    56,335,673.69x = 77,743,686.23 × 31,218,202.56
  4. Step 4: Simplify right side
    56,335,673.69x = 2,427,018,144,489,223
  5. Step 5: Solve for x
    x = 2,427,018,144,489,223/56,335,673.69
  6. Step 6: Final answer
    x = 43,081,372.52

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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.