Home / 64,512,004.70-96,768,007.05-28,610,212.70

Finding the Fourth Proportional to 64,512,004.70, 96,768,007.05 and 28,610,212.70

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Solution

The fourth proportional to 64,512,004.70, 96,768,007.05 and 28,610,212.70 is: 42,915,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,512,004.70 : 96,768,007.05 = 28,610,212.70 : x
  2. Step 2: Convert to fraction form
    64,512,004.70/96,768,007.05 = 28,610,212.70/x
  3. Step 3: Cross multiply
    64,512,004.70x = 96,768,007.05 × 28,610,212.70
  4. Step 4: Simplify right side
    64,512,004.70x = 2,768,553,264,255,599.50
  5. Step 5: Solve for x
    x = 2,768,553,264,255,599.50/64,512,004.70
  6. Step 6: Final answer
    x = 42,915,319.05

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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.