Home / 64,512,064.80-96,768,097.20-52,418,829.60

Finding the Fourth Proportional to 64,512,064.80, 96,768,097.20 and 52,418,829.60

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Solution

The fourth proportional to 64,512,064.80, 96,768,097.20 and 52,418,829.60 is: 78,628,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,512,064.80 : 96,768,097.20 = 52,418,829.60 : x
  2. Step 2: Convert to fraction form
    64,512,064.80/96,768,097.20 = 52,418,829.60/x
  3. Step 3: Cross multiply
    64,512,064.80x = 96,768,097.20 × 52,418,829.60
  4. Step 4: Simplify right side
    64,512,064.80x = 5,072,470,397,843,037
  5. Step 5: Solve for x
    x = 5,072,470,397,843,037/64,512,064.80
  6. Step 6: Final answer
    x = 78,628,244.40

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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.