Home / 72,296,189.76-99,743,801.41-46,205,979.60

Finding the Fourth Proportional to 72,296,189.76, 99,743,801.41 and 46,205,979.60

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Solution

The fourth proportional to 72,296,189.76, 99,743,801.41 and 46,205,979.60 is: 63,748,311.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,296,189.76 : 99,743,801.41 = 46,205,979.60 : x
  2. Step 2: Convert to fraction form
    72,296,189.76/99,743,801.41 = 46,205,979.60/x
  3. Step 3: Cross multiply
    72,296,189.76x = 99,743,801.41 × 46,205,979.60
  4. Step 4: Simplify right side
    72,296,189.76x = 4,608,760,053,176,911
  5. Step 5: Solve for x
    x = 4,608,760,053,176,911/72,296,189.76
  6. Step 6: Final answer
    x = 63,748,311.89

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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.