Home / 105,787,401.44-145,985,156.70-59,376,812

Finding the Fourth Proportional to 105,787,401.44, 145,985,156.70 and 59,376,812

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Solution

The fourth proportional to 105,787,401.44, 145,985,156.70 and 59,376,812 is: 81,939,182.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,787,401.44 : 145,985,156.70 = 59,376,812 : x
  2. Step 2: Convert to fraction form
    105,787,401.44/145,985,156.70 = 59,376,812/x
  3. Step 3: Cross multiply
    105,787,401.44x = 145,985,156.70 × 59,376,812
  4. Step 4: Simplify right side
    105,787,401.44x = 8,668,133,204,166,440
  5. Step 5: Solve for x
    x = 8,668,133,204,166,440/105,787,401.44
  6. Step 6: Final answer
    x = 81,939,182.61

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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.