Home / 147,929,878.80-204,149,244.24-81,849,301.20

Finding the Fourth Proportional to 147,929,878.80, 204,149,244.24 and 81,849,301.20

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Solution

The fourth proportional to 147,929,878.80, 204,149,244.24 and 81,849,301.20 is: 112,955,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,929,878.80 : 204,149,244.24 = 81,849,301.20 : x
  2. Step 2: Convert to fraction form
    147,929,878.80/204,149,244.24 = 81,849,301.20/x
  3. Step 3: Cross multiply
    147,929,878.80x = 204,149,244.24 × 81,849,301.20
  4. Step 4: Simplify right side
    147,929,878.80x = 16,709,472,981,552,126
  5. Step 5: Solve for x
    x = 16,709,472,981,552,126/147,929,878.80
  6. Step 6: Final answer
    x = 112,955,361.80

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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.