Home / 61,789,679.09-85,273,742.96-34,287,607.34

Finding the Fourth Proportional to 61,789,679.09, 85,273,742.96 and 34,287,607.34

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Solution

The fourth proportional to 61,789,679.09, 85,273,742.96 and 34,287,607.34 is: 47,319,109.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,789,679.09 : 85,273,742.96 = 34,287,607.34 : x
  2. Step 2: Convert to fraction form
    61,789,679.09/85,273,742.96 = 34,287,607.34/x
  3. Step 3: Cross multiply
    61,789,679.09x = 85,273,742.96 × 34,287,607.34
  4. Step 4: Simplify right side
    61,789,679.09x = 2,923,832,615,354,628.50
  5. Step 5: Solve for x
    x = 2,923,832,615,354,628.50/61,789,679.09
  6. Step 6: Final answer
    x = 47,319,109.89

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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.