Home / 64,512,658.40-96,768,987.60-28,680,850.40

Finding the Fourth Proportional to 64,512,658.40, 96,768,987.60 and 28,680,850.40

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Solution

The fourth proportional to 64,512,658.40, 96,768,987.60 and 28,680,850.40 is: 43,021,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,512,658.40 : 96,768,987.60 = 28,680,850.40 : x
  2. Step 2: Convert to fraction form
    64,512,658.40/96,768,987.60 = 28,680,850.40/x
  3. Step 3: Cross multiply
    64,512,658.40x = 96,768,987.60 × 28,680,850.40
  4. Step 4: Simplify right side
    64,512,658.40x = 2,775,416,856,715,054.50
  5. Step 5: Solve for x
    x = 2,775,416,856,715,054.50/64,512,658.40
  6. Step 6: Final answer
    x = 43,021,275.60

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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.