Home / 99,863,754.40-149,795,631.60-69,605,783.20

Finding the Fourth Proportional to 99,863,754.40, 149,795,631.60 and 69,605,783.20

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Solution

The fourth proportional to 99,863,754.40, 149,795,631.60 and 69,605,783.20 is: 104,408,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,863,754.40 : 149,795,631.60 = 69,605,783.20 : x
  2. Step 2: Convert to fraction form
    99,863,754.40/149,795,631.60 = 69,605,783.20/x
  3. Step 3: Cross multiply
    99,863,754.40x = 149,795,631.60 × 69,605,783.20
  4. Step 4: Simplify right side
    99,863,754.40x = 10,426,642,257,456,670
  5. Step 5: Solve for x
    x = 10,426,642,257,456,670/99,863,754.40
  6. Step 6: Final answer
    x = 104,408,674.80

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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.