Home / 93,025,693.50-128,375,457.03-51,782,328.96

Finding the Fourth Proportional to 93,025,693.50, 128,375,457.03 and 51,782,328.96

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Solution

The fourth proportional to 93,025,693.50, 128,375,457.03 and 51,782,328.96 is: 71,459,613.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,025,693.50 : 128,375,457.03 = 51,782,328.96 : x
  2. Step 2: Convert to fraction form
    93,025,693.50/128,375,457.03 = 51,782,328.96/x
  3. Step 3: Cross multiply
    93,025,693.50x = 128,375,457.03 × 51,782,328.96
  4. Step 4: Simplify right side
    93,025,693.50x = 6,647,580,146,317,805
  5. Step 5: Solve for x
    x = 6,647,580,146,317,805/93,025,693.50
  6. Step 6: Final answer
    x = 71,459,613.96

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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.