Home / 61,813,573.48-85,303,060.74-38,622,149.32

Finding the Fourth Proportional to 61,813,573.48, 85,303,060.74 and 38,622,149.32

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Solution

The fourth proportional to 61,813,573.48, 85,303,060.74 and 38,622,149.32 is: 53,298,771.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,813,573.48 : 85,303,060.74 = 38,622,149.32 : x
  2. Step 2: Convert to fraction form
    61,813,573.48/85,303,060.74 = 38,622,149.32/x
  3. Step 3: Cross multiply
    61,813,573.48x = 85,303,060.74 × 38,622,149.32
  4. Step 4: Simplify right side
    61,813,573.48x = 3,294,587,549,353,309.50
  5. Step 5: Solve for x
    x = 3,294,587,549,353,309.50/61,813,573.48
  6. Step 6: Final answer
    x = 53,298,771.84

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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.