Home / 116,768,840.24-161,174,622.73-77,105,328.02

Finding the Fourth Proportional to 116,768,840.24, 161,174,622.73 and 77,105,328.02

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Solution

The fourth proportional to 116,768,840.24, 161,174,622.73 and 77,105,328.02 is: 106,427,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,768,840.24 : 161,174,622.73 = 77,105,328.02 : x
  2. Step 2: Convert to fraction form
    116,768,840.24/161,174,622.73 = 77,105,328.02/x
  3. Step 3: Cross multiply
    116,768,840.24x = 161,174,622.73 × 77,105,328.02
  4. Step 4: Simplify right side
    116,768,840.24x = 12,427,422,153,097,760
  5. Step 5: Solve for x
    x = 12,427,422,153,097,760/116,768,840.24
  6. Step 6: Final answer
    x = 106,427,554.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.