Home / 66,496,279.20-99,576,457.20-43,653,501.60

Finding the Fourth Proportional to 66,496,279.20, 99,576,457.20 and 43,653,501.60

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Solution

The fourth proportional to 66,496,279.20, 99,576,457.20 and 43,653,501.60 is: 65,369,988.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,496,279.20 : 99,576,457.20 = 43,653,501.60 : x
  2. Step 2: Convert to fraction form
    66,496,279.20/99,576,457.20 = 43,653,501.60/x
  3. Step 3: Cross multiply
    66,496,279.20x = 99,576,457.20 × 43,653,501.60
  4. Step 4: Simplify right side
    66,496,279.20x = 4,346,861,033,702,532
  5. Step 5: Solve for x
    x = 4,346,861,033,702,532/66,496,279.20
  6. Step 6: Final answer
    x = 65,369,988.91

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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.