Home / 148,256,457.42-204,593,557.05-81,275,295.90

Finding the Fourth Proportional to 148,256,457.42, 204,593,557.05 and 81,275,295.90

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Solution

The fourth proportional to 148,256,457.42, 204,593,557.05 and 81,275,295.90 is: 112,159,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,256,457.42 : 204,593,557.05 = 81,275,295.90 : x
  2. Step 2: Convert to fraction form
    148,256,457.42/204,593,557.05 = 81,275,295.90/x
  3. Step 3: Cross multiply
    148,256,457.42x = 204,593,557.05 × 81,275,295.90
  4. Step 4: Simplify right side
    148,256,457.42x = 16,628,401,888,472,284
  5. Step 5: Solve for x
    x = 16,628,401,888,472,284/148,256,457.42
  6. Step 6: Final answer
    x = 112,159,714.17

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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.