Home / 79,729,780.80-119,520,021.60-62,448,398.40

Finding the Fourth Proportional to 79,729,780.80, 119,520,021.60 and 62,448,398.40

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Solution

The fourth proportional to 79,729,780.80, 119,520,021.60 and 62,448,398.40 is: 93,614,128.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,729,780.80 : 119,520,021.60 = 62,448,398.40 : x
  2. Step 2: Convert to fraction form
    79,729,780.80/119,520,021.60 = 62,448,398.40/x
  3. Step 3: Cross multiply
    79,729,780.80x = 119,520,021.60 × 62,448,398.40
  4. Step 4: Simplify right side
    79,729,780.80x = 7,463,833,925,653,405
  5. Step 5: Solve for x
    x = 7,463,833,925,653,405/79,729,780.80
  6. Step 6: Final answer
    x = 93,614,128.26

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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.