Home / 65,174,837.40-97,818,243.30-28,839,144.60

Finding the Fourth Proportional to 65,174,837.40, 97,818,243.30 and 28,839,144.60

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Solution

The fourth proportional to 65,174,837.40, 97,818,243.30 and 28,839,144.60 is: 43,283,490.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,174,837.40 : 97,818,243.30 = 28,839,144.60 : x
  2. Step 2: Convert to fraction form
    65,174,837.40/97,818,243.30 = 28,839,144.60/x
  3. Step 3: Cross multiply
    65,174,837.40x = 97,818,243.30 × 28,839,144.60
  4. Step 4: Simplify right side
    65,174,837.40x = 2,820,994,463,046,681
  5. Step 5: Solve for x
    x = 2,820,994,463,046,681/65,174,837.40
  6. Step 6: Final answer
    x = 43,283,490.62

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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.