Home / 64,515,231.80-96,772,847.70-53,168,492.60

Finding the Fourth Proportional to 64,515,231.80, 96,772,847.70 and 53,168,492.60

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Solution

The fourth proportional to 64,515,231.80, 96,772,847.70 and 53,168,492.60 is: 79,752,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,515,231.80 : 96,772,847.70 = 53,168,492.60 : x
  2. Step 2: Convert to fraction form
    64,515,231.80/96,772,847.70 = 53,168,492.60/x
  3. Step 3: Cross multiply
    64,515,231.80x = 96,772,847.70 × 53,168,492.60
  4. Step 4: Simplify right side
    64,515,231.80x = 5,145,266,436,818,377
  5. Step 5: Solve for x
    x = 5,145,266,436,818,377/64,515,231.80
  6. Step 6: Final answer
    x = 79,752,738.90

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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.