Home / 64,515,638.80-96,773,458.20-52,422,403.60

Finding the Fourth Proportional to 64,515,638.80, 96,773,458.20 and 52,422,403.60

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Solution

The fourth proportional to 64,515,638.80, 96,773,458.20 and 52,422,403.60 is: 78,633,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,515,638.80 : 96,773,458.20 = 52,422,403.60 : x
  2. Step 2: Convert to fraction form
    64,515,638.80/96,773,458.20 = 52,422,403.60/x
  3. Step 3: Cross multiply
    64,515,638.80x = 96,773,458.20 × 52,422,403.60
  4. Step 4: Simplify right side
    64,515,638.80x = 5,073,097,283,528,130
  5. Step 5: Solve for x
    x = 5,073,097,283,528,130/64,515,638.80
  6. Step 6: Final answer
    x = 78,633,605.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.