Home / 105,349,855.37-145,383,111.45-58,310,196.01

Finding the Fourth Proportional to 105,349,855.37, 145,383,111.45 and 58,310,196.01

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Solution

The fourth proportional to 105,349,855.37, 145,383,111.45 and 58,310,196.01 is: 80,468,242.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,349,855.37 : 145,383,111.45 = 58,310,196.01 : x
  2. Step 2: Convert to fraction form
    105,349,855.37/145,383,111.45 = 58,310,196.01/x
  3. Step 3: Cross multiply
    105,349,855.37x = 145,383,111.45 × 58,310,196.01
  4. Step 4: Simplify right side
    105,349,855.37x = 8,477,317,724,683,942
  5. Step 5: Solve for x
    x = 8,477,317,724,683,942/105,349,855.37
  6. Step 6: Final answer
    x = 80,468,242.65

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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.