Home / 66,430,230.20-99,645,345.30-45,624,315.05

Finding the Fourth Proportional to 66,430,230.20, 99,645,345.30 and 45,624,315.05

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Solution

The fourth proportional to 66,430,230.20, 99,645,345.30 and 45,624,315.05 is: 68,436,472.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,230.20 : 99,645,345.30 = 45,624,315.05 : x
  2. Step 2: Convert to fraction form
    66,430,230.20/99,645,345.30 = 45,624,315.05/x
  3. Step 3: Cross multiply
    66,430,230.20x = 99,645,345.30 × 45,624,315.05
  4. Step 4: Simplify right side
    66,430,230.20x = 4,546,250,627,233,236
  5. Step 5: Solve for x
    x = 4,546,250,627,233,236/66,430,230.20
  6. Step 6: Final answer
    x = 68,436,472.58

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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.