Home / 81,662,496.30-122,493,744.45-70,577,030.70

Finding the Fourth Proportional to 81,662,496.30, 122,493,744.45 and 70,577,030.70

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Solution

The fourth proportional to 81,662,496.30, 122,493,744.45 and 70,577,030.70 is: 105,865,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,662,496.30 : 122,493,744.45 = 70,577,030.70 : x
  2. Step 2: Convert to fraction form
    81,662,496.30/122,493,744.45 = 70,577,030.70/x
  3. Step 3: Cross multiply
    81,662,496.30x = 122,493,744.45 × 70,577,030.70
  4. Step 4: Simplify right side
    81,662,496.30x = 8,645,244,762,605,605
  5. Step 5: Solve for x
    x = 8,645,244,762,605,605/81,662,496.30
  6. Step 6: Final answer
    x = 105,865,546.05

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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.