Home / 72,036,816.16-99,410,784.88-38,997,041.04

Finding the Fourth Proportional to 72,036,816.16, 99,410,784.88 and 38,997,041.04

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Solution

The fourth proportional to 72,036,816.16, 99,410,784.88 and 38,997,041.04 is: 53,815,905.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,036,816.16 : 99,410,784.88 = 38,997,041.04 : x
  2. Step 2: Convert to fraction form
    72,036,816.16/99,410,784.88 = 38,997,041.04/x
  3. Step 3: Cross multiply
    72,036,816.16x = 99,410,784.88 × 38,997,041.04
  4. Step 4: Simplify right side
    72,036,816.16x = 3,876,726,457,783,971
  5. Step 5: Solve for x
    x = 3,876,726,457,783,971/72,036,816.16
  6. Step 6: Final answer
    x = 53,815,905.04

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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.