Home / 72,292,705.05-99,764,051.06-39,253,018.08

Finding the Fourth Proportional to 72,292,705.05, 99,764,051.06 and 39,253,018.08

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Solution

The fourth proportional to 72,292,705.05, 99,764,051.06 and 39,253,018.08 is: 54,169,229.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,292,705.05 : 99,764,051.06 = 39,253,018.08 : x
  2. Step 2: Convert to fraction form
    72,292,705.05/99,764,051.06 = 39,253,018.08/x
  3. Step 3: Cross multiply
    72,292,705.05x = 99,764,051.06 × 39,253,018.08
  4. Step 4: Simplify right side
    72,292,705.05x = 3,916,040,100,090,355.50
  5. Step 5: Solve for x
    x = 3,916,040,100,090,355.50/72,292,705.05
  6. Step 6: Final answer
    x = 54,169,229.07

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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.