Home / 115,272,873.72-172,632,247.65-65,939,156.82

Finding the Fourth Proportional to 115,272,873.72, 172,632,247.65 and 65,939,156.82

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Solution

The fourth proportional to 115,272,873.72, 172,632,247.65 and 65,939,156.82 is: 98,750,247.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,272,873.72 : 172,632,247.65 = 65,939,156.82 : x
  2. Step 2: Convert to fraction form
    115,272,873.72/172,632,247.65 = 65,939,156.82/x
  3. Step 3: Cross multiply
    115,272,873.72x = 172,632,247.65 × 65,939,156.82
  4. Step 4: Simplify right side
    115,272,873.72x = 11,383,224,849,982,426
  5. Step 5: Solve for x
    x = 11,383,224,849,982,426/115,272,873.72
  6. Step 6: Final answer
    x = 98,750,247.85

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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.