Home / 86,883,035.84-119,891,597.28-50,215,981.76

Finding the Fourth Proportional to 86,883,035.84, 119,891,597.28 and 50,215,981.76

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Solution

The fourth proportional to 86,883,035.84, 119,891,597.28 and 50,215,981.76 is: 69,294,013.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,883,035.84 : 119,891,597.28 = 50,215,981.76 : x
  2. Step 2: Convert to fraction form
    86,883,035.84/119,891,597.28 = 50,215,981.76/x
  3. Step 3: Cross multiply
    86,883,035.84x = 119,891,597.28 × 50,215,981.76
  4. Step 4: Simplify right side
    86,883,035.84x = 6,020,474,262,189,745
  5. Step 5: Solve for x
    x = 6,020,474,262,189,745/86,883,035.84
  6. Step 6: Final answer
    x = 69,294,013.54

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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.