Home / 64,512,005.80-96,768,008.70-52,418,770.60

Finding the Fourth Proportional to 64,512,005.80, 96,768,008.70 and 52,418,770.60

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Solution

The fourth proportional to 64,512,005.80, 96,768,008.70 and 52,418,770.60 is: 78,628,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,512,005.80 : 96,768,008.70 = 52,418,770.60 : x
  2. Step 2: Convert to fraction form
    64,512,005.80/96,768,008.70 = 52,418,770.60/x
  3. Step 3: Cross multiply
    64,512,005.80x = 96,768,008.70 × 52,418,770.60
  4. Step 4: Simplify right side
    64,512,005.80x = 5,072,460,049,464,105
  5. Step 5: Solve for x
    x = 5,072,460,049,464,105/64,512,005.80
  6. Step 6: Final answer
    x = 78,628,155.90

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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.