Home / 78,637,849.92-108,518,383.44-45,604,002.24

Finding the Fourth Proportional to 78,637,849.92, 108,518,383.44 and 45,604,002.24

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Solution

The fourth proportional to 78,637,849.92, 108,518,383.44 and 45,604,002.24 is: 62,932,450.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,637,849.92 : 108,518,383.44 = 45,604,002.24 : x
  2. Step 2: Convert to fraction form
    78,637,849.92/108,518,383.44 = 45,604,002.24/x
  3. Step 3: Cross multiply
    78,637,849.92x = 108,518,383.44 × 45,604,002.24
  4. Step 4: Simplify right side
    78,637,849.92x = 4,948,872,601,478,939
  5. Step 5: Solve for x
    x = 4,948,872,601,478,939/78,637,849.92
  6. Step 6: Final answer
    x = 62,932,450.55

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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.