Home / 89,819,679.40-134,729,519.10-55,807,455.40

Finding the Fourth Proportional to 89,819,679.40, 134,729,519.10 and 55,807,455.40

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Solution

The fourth proportional to 89,819,679.40, 134,729,519.10 and 55,807,455.40 is: 83,711,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,819,679.40 : 134,729,519.10 = 55,807,455.40 : x
  2. Step 2: Convert to fraction form
    89,819,679.40/134,729,519.10 = 55,807,455.40/x
  3. Step 3: Cross multiply
    89,819,679.40x = 134,729,519.10 × 55,807,455.40
  4. Step 4: Simplify right side
    89,819,679.40x = 7,518,911,628,236,698
  5. Step 5: Solve for x
    x = 7,518,911,628,236,698/89,819,679.40
  6. Step 6: Final answer
    x = 83,711,183.10

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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.