Home / 115,775,555.30-159,770,580.69-63,567,972.50

Finding the Fourth Proportional to 115,775,555.30, 159,770,580.69 and 63,567,972.50

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Solution

The fourth proportional to 115,775,555.30, 159,770,580.69 and 63,567,972.50 is: 87,723,974.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,775,555.30 : 159,770,580.69 = 63,567,972.50 : x
  2. Step 2: Convert to fraction form
    115,775,555.30/159,770,580.69 = 63,567,972.50/x
  3. Step 3: Cross multiply
    115,775,555.30x = 159,770,580.69 × 63,567,972.50
  4. Step 4: Simplify right side
    115,775,555.30x = 10,156,291,879,610,950
  5. Step 5: Solve for x
    x = 10,156,291,879,610,950/115,775,555.30
  6. Step 6: Final answer
    x = 87,723,974.66

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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.