Home / 56,172,001.80-84,258,002.70-15,782,485.80

Finding the Fourth Proportional to 56,172,001.80, 84,258,002.70 and 15,782,485.80

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Solution

The fourth proportional to 56,172,001.80, 84,258,002.70 and 15,782,485.80 is: 23,673,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,172,001.80 : 84,258,002.70 = 15,782,485.80 : x
  2. Step 2: Convert to fraction form
    56,172,001.80/84,258,002.70 = 15,782,485.80/x
  3. Step 3: Cross multiply
    56,172,001.80x = 84,258,002.70 × 15,782,485.80
  4. Step 4: Simplify right side
    56,172,001.80x = 1,329,800,731,149,111.75
  5. Step 5: Solve for x
    x = 1,329,800,731,149,111.75/56,172,001.80
  6. Step 6: Final answer
    x = 23,673,728.70

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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.