Home / 72,339,062.92-99,828,606.48-39,299,548.48

Finding the Fourth Proportional to 72,339,062.92, 99,828,606.48 and 39,299,548.48

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Solution

The fourth proportional to 72,339,062.92, 99,828,606.48 and 39,299,548.48 is: 54,233,757.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,339,062.92 : 99,828,606.48 = 39,299,548.48 : x
  2. Step 2: Convert to fraction form
    72,339,062.92/99,828,606.48 = 39,299,548.48/x
  3. Step 3: Cross multiply
    72,339,062.92x = 99,828,606.48 × 39,299,548.48
  4. Step 4: Simplify right side
    72,339,062.92x = 3,923,219,160,051,602
  5. Step 5: Solve for x
    x = 3,923,219,160,051,602/72,339,062.92
  6. Step 6: Final answer
    x = 54,233,757.00

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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.