Home / 64,615,328.72-89,169,723.12-35,246,791.76

Finding the Fourth Proportional to 64,615,328.72, 89,169,723.12 and 35,246,791.76

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Solution

The fourth proportional to 64,615,328.72, 89,169,723.12 and 35,246,791.76 is: 48,640,883.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,615,328.72 : 89,169,723.12 = 35,246,791.76 : x
  2. Step 2: Convert to fraction form
    64,615,328.72/89,169,723.12 = 35,246,791.76/x
  3. Step 3: Cross multiply
    64,615,328.72x = 89,169,723.12 × 35,246,791.76
  4. Step 4: Simplify right side
    64,615,328.72x = 3,142,946,662,107,497.50
  5. Step 5: Solve for x
    x = 3,142,946,662,107,497.50/64,615,328.72
  6. Step 6: Final answer
    x = 48,640,883.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.