Home / 72,024,035.63-99,393,174.02-39,428,987.63

Finding the Fourth Proportional to 72,024,035.63, 99,393,174.02 and 39,428,987.63

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Solution

The fourth proportional to 72,024,035.63, 99,393,174.02 and 39,428,987.63 is: 54,412,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,024,035.63 : 99,393,174.02 = 39,428,987.63 : x
  2. Step 2: Convert to fraction form
    72,024,035.63/99,393,174.02 = 39,428,987.63/x
  3. Step 3: Cross multiply
    72,024,035.63x = 99,393,174.02 × 39,428,987.63
  4. Step 4: Simplify right side
    72,024,035.63x = 3,918,972,228,542,623.50
  5. Step 5: Solve for x
    x = 3,918,972,228,542,623.50/72,024,035.63
  6. Step 6: Final answer
    x = 54,412,005.58

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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.