Home / 54,708,971.72-75,490,985.39-31,190,542.34

Finding the Fourth Proportional to 54,708,971.72, 75,490,985.39 and 31,190,542.34

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Solution

The fourth proportional to 54,708,971.72, 75,490,985.39 and 31,190,542.34 is: 43,038,732.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,708,971.72 : 75,490,985.39 = 31,190,542.34 : x
  2. Step 2: Convert to fraction form
    54,708,971.72/75,490,985.39 = 31,190,542.34/x
  3. Step 3: Cross multiply
    54,708,971.72x = 75,490,985.39 × 31,190,542.34
  4. Step 4: Simplify right side
    54,708,971.72x = 2,354,604,775,561,709
  5. Step 5: Solve for x
    x = 2,354,604,775,561,709/54,708,971.72
  6. Step 6: Final answer
    x = 43,038,732.07

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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.