Home / 116,974,457.54-161,435,580.08-64,763,493.20

Finding the Fourth Proportional to 116,974,457.54, 161,435,580.08 and 64,763,493.20

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Solution

The fourth proportional to 116,974,457.54, 161,435,580.08 and 64,763,493.20 is: 89,379,615.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,974,457.54 : 161,435,580.08 = 64,763,493.20 : x
  2. Step 2: Convert to fraction form
    116,974,457.54/161,435,580.08 = 64,763,493.20/x
  3. Step 3: Cross multiply
    116,974,457.54x = 161,435,580.08 × 64,763,493.20
  4. Step 4: Simplify right side
    116,974,457.54x = 10,455,132,092,749,136
  5. Step 5: Solve for x
    x = 10,455,132,092,749,136/116,974,457.54
  6. Step 6: Final answer
    x = 89,379,615.97

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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.