Home / 65,174,814.40-97,818,208.80-28,839,121.60

Finding the Fourth Proportional to 65,174,814.40, 97,818,208.80 and 28,839,121.60

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Solution

The fourth proportional to 65,174,814.40, 97,818,208.80 and 28,839,121.60 is: 43,283,456.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,174,814.40 : 97,818,208.80 = 28,839,121.60 : x
  2. Step 2: Convert to fraction form
    65,174,814.40/97,818,208.80 = 28,839,121.60/x
  3. Step 3: Cross multiply
    65,174,814.40x = 97,818,208.80 × 28,839,121.60
  4. Step 4: Simplify right side
    65,174,814.40x = 2,820,991,218,277,390
  5. Step 5: Solve for x
    x = 2,820,991,218,277,390/65,174,814.40
  6. Step 6: Final answer
    x = 43,283,456.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.