Home / 61,853,207.78-85,352,448.90-35,749,416.35

Finding the Fourth Proportional to 61,853,207.78, 85,352,448.90 and 35,749,416.35

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Solution

The fourth proportional to 61,853,207.78, 85,352,448.90 and 35,749,416.35 is: 49,331,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,853,207.78 : 85,352,448.90 = 35,749,416.35 : x
  2. Step 2: Convert to fraction form
    61,853,207.78/85,352,448.90 = 35,749,416.35/x
  3. Step 3: Cross multiply
    61,853,207.78x = 85,352,448.90 × 35,749,416.35
  4. Step 4: Simplify right side
    61,853,207.78x = 3,051,300,231,791,437.50
  5. Step 5: Solve for x
    x = 3,051,300,231,791,437.50/61,853,207.78
  6. Step 6: Final answer
    x = 49,331,317.51

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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.