Home / 104,005,544.40-155,859,017.40-76,497,166.80

Finding the Fourth Proportional to 104,005,544.40, 155,859,017.40 and 76,497,166.80

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Solution

The fourth proportional to 104,005,544.40, 155,859,017.40 and 76,497,166.80 is: 114,635,939.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,005,544.40 : 155,859,017.40 = 76,497,166.80 : x
  2. Step 2: Convert to fraction form
    104,005,544.40/155,859,017.40 = 76,497,166.80/x
  3. Step 3: Cross multiply
    104,005,544.40x = 155,859,017.40 × 76,497,166.80
  4. Step 4: Simplify right side
    104,005,544.40x = 11,922,773,251,331,902
  5. Step 5: Solve for x
    x = 11,922,773,251,331,902/104,005,544.40
  6. Step 6: Final answer
    x = 114,635,939.08

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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.