Home / 105,349,856.62-145,383,113.18-58,310,197.26

Finding the Fourth Proportional to 105,349,856.62, 145,383,113.18 and 58,310,197.26

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Solution

The fourth proportional to 105,349,856.62, 145,383,113.18 and 58,310,197.26 is: 80,468,244.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,349,856.62 : 145,383,113.18 = 58,310,197.26 : x
  2. Step 2: Convert to fraction form
    105,349,856.62/145,383,113.18 = 58,310,197.26/x
  3. Step 3: Cross multiply
    105,349,856.62x = 145,383,113.18 × 58,310,197.26
  4. Step 4: Simplify right side
    105,349,856.62x = 8,477,318,007,507,155
  5. Step 5: Solve for x
    x = 8,477,318,007,507,155/105,349,856.62
  6. Step 6: Final answer
    x = 80,468,244.38

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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.