Home / 72,564,654.96-100,139,362.92-39,524,802.48

Finding the Fourth Proportional to 72,564,654.96, 100,139,362.92 and 39,524,802.48

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Solution

The fourth proportional to 72,564,654.96, 100,139,362.92 and 39,524,802.48 is: 54,544,303.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,564,654.96 : 100,139,362.92 = 39,524,802.48 : x
  2. Step 2: Convert to fraction form
    72,564,654.96/100,139,362.92 = 39,524,802.48/x
  3. Step 3: Cross multiply
    72,564,654.96x = 100,139,362.92 × 39,524,802.48
  4. Step 4: Simplify right side
    72,564,654.96x = 3,957,988,539,886,036
  5. Step 5: Solve for x
    x = 3,957,988,539,886,036/72,564,654.96
  6. Step 6: Final answer
    x = 54,544,303.17

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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.