Home / 64,570,520.79-96,856,131.11-19,132,708.95

Finding the Fourth Proportional to 64,570,520.79, 96,856,131.11 and 19,132,708.95

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Solution

The fourth proportional to 64,570,520.79, 96,856,131.11 and 19,132,708.95 is: 28,699,167.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,570,520.79 : 96,856,131.11 = 19,132,708.95 : x
  2. Step 2: Convert to fraction form
    64,570,520.79/96,856,131.11 = 19,132,708.95/x
  3. Step 3: Cross multiply
    64,570,520.79x = 96,856,131.11 × 19,132,708.95
  4. Step 4: Simplify right side
    64,570,520.79x = 1,853,120,166,455,007
  5. Step 5: Solve for x
    x = 1,853,120,166,455,007/64,570,520.79
  6. Step 6: Final answer
    x = 28,699,167.11

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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.