Home / 93,315,608.20-139,728,468.30-65,873,715.40

Finding the Fourth Proportional to 93,315,608.20, 139,728,468.30 and 65,873,715.40

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Solution

The fourth proportional to 93,315,608.20, 139,728,468.30 and 65,873,715.40 is: 98,637,661.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,315,608.20 : 139,728,468.30 = 65,873,715.40 : x
  2. Step 2: Convert to fraction form
    93,315,608.20/139,728,468.30 = 65,873,715.40/x
  3. Step 3: Cross multiply
    93,315,608.20x = 139,728,468.30 × 65,873,715.40
  4. Step 4: Simplify right side
    93,315,608.20x = 9,204,433,354,072,122
  5. Step 5: Solve for x
    x = 9,204,433,354,072,122/93,315,608.20
  6. Step 6: Final answer
    x = 98,637,661.28

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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.