Home / 64,512,003.20-96,768,004.80-28,610,211.20

Finding the Fourth Proportional to 64,512,003.20, 96,768,004.80 and 28,610,211.20

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Solution

The fourth proportional to 64,512,003.20, 96,768,004.80 and 28,610,211.20 is: 42,915,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,512,003.20 : 96,768,004.80 = 28,610,211.20 : x
  2. Step 2: Convert to fraction form
    64,512,003.20/96,768,004.80 = 28,610,211.20/x
  3. Step 3: Cross multiply
    64,512,003.20x = 96,768,004.80 × 28,610,211.20
  4. Step 4: Simplify right side
    64,512,003.20x = 2,768,553,054,730,613.50
  5. Step 5: Solve for x
    x = 2,768,553,054,730,613.50/64,512,003.20
  6. Step 6: Final answer
    x = 42,915,316.80

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1.5x scale

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.