Home / 86,529,355.78-119,391,420.74-51,229,632.92

Finding the Fourth Proportional to 86,529,355.78, 119,391,420.74 and 51,229,632.92

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Solution

The fourth proportional to 86,529,355.78, 119,391,420.74 and 51,229,632.92 is: 70,685,591.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,529,355.78 : 119,391,420.74 = 51,229,632.92 : x
  2. Step 2: Convert to fraction form
    86,529,355.78/119,391,420.74 = 51,229,632.92/x
  3. Step 3: Cross multiply
    86,529,355.78x = 119,391,420.74 × 51,229,632.92
  4. Step 4: Simplify right side
    86,529,355.78x = 6,116,378,658,307,475
  5. Step 5: Solve for x
    x = 6,116,378,658,307,475/86,529,355.78
  6. Step 6: Final answer
    x = 70,685,591.07

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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.