Home / 64,446,571.20-96,669,856.80-45,298,948.80

Finding the Fourth Proportional to 64,446,571.20, 96,669,856.80 and 45,298,948.80

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Solution

The fourth proportional to 64,446,571.20, 96,669,856.80 and 45,298,948.80 is: 67,948,423.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,446,571.20 : 96,669,856.80 = 45,298,948.80 : x
  2. Step 2: Convert to fraction form
    64,446,571.20/96,669,856.80 = 45,298,948.80/x
  3. Step 3: Cross multiply
    64,446,571.20x = 96,669,856.80 × 45,298,948.80
  4. Step 4: Simplify right side
    64,446,571.20x = 4,379,042,893,686,531.50
  5. Step 5: Solve for x
    x = 4,379,042,893,686,531.50/64,446,571.20
  6. Step 6: Final answer
    x = 67,948,423.20

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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.