Home / 144,361,747,558.88-216,542,323,595.04-81,448,486,442.72

Finding the Fourth Proportional to 144,361,747,558.88, 216,542,323,595.04 and 81,448,486,442.72

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Solution

The fourth proportional to 144,361,747,558.88, 216,542,323,595.04 and 81,448,486,442.72 is: 122,172,561,678.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,361,747,558.88 : 216,542,323,595.04 = 81,448,486,442.72 : x
  2. Step 2: Convert to fraction form
    144,361,747,558.88/216,542,323,595.04 = 81,448,486,442.72/x
  3. Step 3: Cross multiply
    144,361,747,558.88x = 216,542,323,595.04 × 81,448,486,442.72
  4. Step 4: Simplify right side
    144,361,747,558.88x = 17,637,044,507,605,704,114,176
  5. Step 5: Solve for x
    x = 17,637,044,507,605,704,114,176/144,361,747,558.88
  6. Step 6: Final answer
    x = 122,172,561,678.17

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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.