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Finding the Fourth Proportional to 65,348,510.40, 97,873,466.40 and 38,474,654.40

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Solution

The fourth proportional to 65,348,510.40, 97,873,466.40 and 38,474,654.40 is: 57,624,080.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,348,510.40 : 97,873,466.40 = 38,474,654.40 : x
  2. Step 2: Convert to fraction form
    65,348,510.40/97,873,466.40 = 38,474,654.40/x
  3. Step 3: Cross multiply
    65,348,510.40x = 97,873,466.40 × 38,474,654.40
  4. Step 4: Simplify right side
    65,348,510.40x = 3,765,647,794,670,012
  5. Step 5: Solve for x
    x = 3,765,647,794,670,012/65,348,510.40
  6. Step 6: Final answer
    x = 57,624,080.05

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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.