Home / 66,443,885.55-99,665,828.33-57,356,244.45

Finding the Fourth Proportional to 66,443,885.55, 99,665,828.33 and 57,356,244.45

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Solution

The fourth proportional to 66,443,885.55, 99,665,828.33 and 57,356,244.45 is: 86,034,366.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,443,885.55 : 99,665,828.33 = 57,356,244.45 : x
  2. Step 2: Convert to fraction form
    66,443,885.55/99,665,828.33 = 57,356,244.45/x
  3. Step 3: Cross multiply
    66,443,885.55x = 99,665,828.33 × 57,356,244.45
  4. Step 4: Simplify right side
    66,443,885.55x = 5,716,457,612,720,435
  5. Step 5: Solve for x
    x = 5,716,457,612,720,435/66,443,885.55
  6. Step 6: Final answer
    x = 86,034,366.68

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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.