Home / 145,724,388.90-201,099,315.11-83,000,474.79

Finding the Fourth Proportional to 145,724,388.90, 201,099,315.11 and 83,000,474.79

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Solution

The fourth proportional to 145,724,388.90, 201,099,315.11 and 83,000,474.79 is: 114,540,460.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,724,388.90 : 201,099,315.11 = 83,000,474.79 : x
  2. Step 2: Convert to fraction form
    145,724,388.90/201,099,315.11 = 83,000,474.79/x
  3. Step 3: Cross multiply
    145,724,388.90x = 201,099,315.11 × 83,000,474.79
  4. Step 4: Simplify right side
    145,724,388.90x = 16,691,338,633,658,820
  5. Step 5: Solve for x
    x = 16,691,338,633,658,820/145,724,388.90
  6. Step 6: Final answer
    x = 114,540,460.66

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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.