Home / 72,422,197.58-99,945,260.83-41,488,345.58

Finding the Fourth Proportional to 72,422,197.58, 99,945,260.83 and 41,488,345.58

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Solution

The fourth proportional to 72,422,197.58, 99,945,260.83 and 41,488,345.58 is: 57,255,422.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,422,197.58 : 99,945,260.83 = 41,488,345.58 : x
  2. Step 2: Convert to fraction form
    72,422,197.58/99,945,260.83 = 41,488,345.58/x
  3. Step 3: Cross multiply
    72,422,197.58x = 99,945,260.83 × 41,488,345.58
  4. Step 4: Simplify right side
    72,422,197.58x = 4,146,563,520,398,277.50
  5. Step 5: Solve for x
    x = 4,146,563,520,398,277.50/72,422,197.58
  6. Step 6: Final answer
    x = 57,255,422.49

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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.