Home / 64,513,422.80-96,770,134.20-52,420,187.60

Finding the Fourth Proportional to 64,513,422.80, 96,770,134.20 and 52,420,187.60

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Solution

The fourth proportional to 64,513,422.80, 96,770,134.20 and 52,420,187.60 is: 78,630,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,513,422.80 : 96,770,134.20 = 52,420,187.60 : x
  2. Step 2: Convert to fraction form
    64,513,422.80/96,770,134.20 = 52,420,187.60/x
  3. Step 3: Cross multiply
    64,513,422.80x = 96,770,134.20 × 52,420,187.60
  4. Step 4: Simplify right side
    64,513,422.80x = 5,072,708,588,841,176
  5. Step 5: Solve for x
    x = 5,072,708,588,841,176/64,513,422.80
  6. Step 6: Final answer
    x = 78,630,281.40

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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.