Home / 77,008,463.44-115,434,856.44-48,274,762.96

Finding the Fourth Proportional to 77,008,463.44, 115,434,856.44 and 48,274,762.96

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Solution

The fourth proportional to 77,008,463.44, 115,434,856.44 and 48,274,762.96 is: 72,363,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,008,463.44 : 115,434,856.44 = 48,274,762.96 : x
  2. Step 2: Convert to fraction form
    77,008,463.44/115,434,856.44 = 48,274,762.96/x
  3. Step 3: Cross multiply
    77,008,463.44x = 115,434,856.44 × 48,274,762.96
  4. Step 4: Simplify right side
    77,008,463.44x = 5,572,590,331,962,629
  5. Step 5: Solve for x
    x = 5,572,590,331,962,629/77,008,463.44
  6. Step 6: Final answer
    x = 72,363,349.21

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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.