Home / 145,088,625.12-200,222,315.27-79,009,103.62

Finding the Fourth Proportional to 145,088,625.12, 200,222,315.27 and 79,009,103.62

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Solution

The fourth proportional to 145,088,625.12, 200,222,315.27 and 79,009,103.62 is: 109,032,569.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,088,625.12 : 200,222,315.27 = 79,009,103.62 : x
  2. Step 2: Convert to fraction form
    145,088,625.12/200,222,315.27 = 79,009,103.62/x
  3. Step 3: Cross multiply
    145,088,625.12x = 200,222,315.27 × 79,009,103.62
  4. Step 4: Simplify right side
    145,088,625.12x = 15,819,385,654,203,740
  5. Step 5: Solve for x
    x = 15,819,385,654,203,740/145,088,625.12
  6. Step 6: Final answer
    x = 109,032,569.86

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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.