Home / 78,168,256.56-107,861,022-46,798,788.96

Finding the Fourth Proportional to 78,168,256.56, 107,861,022 and 46,798,788.96

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Solution

The fourth proportional to 78,168,256.56, 107,861,022 and 46,798,788.96 is: 64,575,640.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,168,256.56 : 107,861,022 = 46,798,788.96 : x
  2. Step 2: Convert to fraction form
    78,168,256.56/107,861,022 = 46,798,788.96/x
  3. Step 3: Cross multiply
    78,168,256.56x = 107,861,022 × 46,798,788.96
  4. Step 4: Simplify right side
    78,168,256.56x = 5,047,765,205,587,917
  5. Step 5: Solve for x
    x = 5,047,765,205,587,917/78,168,256.56
  6. Step 6: Final answer
    x = 64,575,640.13

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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.