Home / 72,316,043.91-99,796,860.36-39,276,939.33

Finding the Fourth Proportional to 72,316,043.91, 99,796,860.36 and 39,276,939.33

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Solution

The fourth proportional to 72,316,043.91, 99,796,860.36 and 39,276,939.33 is: 54,202,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,316,043.91 : 99,796,860.36 = 39,276,939.33 : x
  2. Step 2: Convert to fraction form
    72,316,043.91/99,796,860.36 = 39,276,939.33/x
  3. Step 3: Cross multiply
    72,316,043.91x = 99,796,860.36 × 39,276,939.33
  4. Step 4: Simplify right side
    72,316,043.91x = 3,919,715,229,684,202
  5. Step 5: Solve for x
    x = 3,919,715,229,684,202/72,316,043.91
  6. Step 6: Final answer
    x = 54,202,567.20

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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.